From 8dc67a898933a3e57900b240d514bfb21dc525bb Mon Sep 17 00:00:00 2001
From: abdiqaadir3110 <abdiqaadirabdillahi@gmail.com>
Date: Mon, 14 Dec 2020 16:47:05 +0000
Subject: [PATCH 01/38] B done

when you get rid of the quote marks you get some kinf of error and when you console log a number without quotes the number still appears
---
 exercises/B-hello-world/exercise.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/exercises/B-hello-world/exercise.js b/exercises/B-hello-world/exercise.js
index b179ee953..6a949aa04 100644
--- a/exercises/B-hello-world/exercise.js
+++ b/exercises/B-hello-world/exercise.js
@@ -1 +1,2 @@
-console.log("Hello world");
+console.log("Hello World");
+console.log(5);
\ No newline at end of file

From fe52111b752de201b4d75e8e46c8dfc894cf2791 Mon Sep 17 00:00:00 2001
From: abdiqaadir3110 <abdiqaadirabdillahi@gmail.com>
Date: Mon, 14 Dec 2020 16:56:54 +0000
Subject: [PATCH 02/38] C

greeting
---
 exercises/C-variables/exercise.js | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/exercises/C-variables/exercise.js b/exercises/C-variables/exercise.js
index a6bbb9786..36b8eca74 100644
--- a/exercises/C-variables/exercise.js
+++ b/exercises/C-variables/exercise.js
@@ -1,3 +1,11 @@
-// Start by creating a variable `greeting`
+var approach = "greeting";// Start by creating a variable `greeting`
 
-console.log(greeting);
+console.log(approach);
+
+var approach = "greeting";// Start by creating a variable `greeting`
+
+console.log(approach);
+
+var approach = "greeting";// Start by creating a variable `greeting`
+
+console.log(approach);

From fbd526d163b2ccb60c4c638fc49cd9cd8bec1f1c Mon Sep 17 00:00:00 2001
From: abdiqaadir3110 <abdiqaadirabdillahi@gmail.com>
Date: Mon, 14 Dec 2020 17:28:46 +0000
Subject: [PATCH 03/38] exercide d

d strings
---
 exercises/D-strings/exercise.js | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/exercises/D-strings/exercise.js b/exercises/D-strings/exercise.js
index 2cffa6a81..fee4053c9 100644
--- a/exercises/D-strings/exercise.js
+++ b/exercises/D-strings/exercise.js
@@ -1,3 +1,6 @@
-// Start by creating a variable `message`
+const message = "This is a String";
+const messageType = typeof message;
+
 
 console.log(message);
+console.log(messageType);

From 7b792b01d77b776d58d6a5c542d667bb098bea98 Mon Sep 17 00:00:00 2001
From: abdiqaadir3110 <abdiqaadirabdillahi@gmail.com>
Date: Mon, 14 Dec 2020 18:24:02 +0000
Subject: [PATCH 04/38] e exercise

strings concatenation
---
 exercises/E-strings-concatenation/exercise.js | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/exercises/E-strings-concatenation/exercise.js b/exercises/E-strings-concatenation/exercise.js
index 2cffa6a81..b1b770490 100644
--- a/exercises/E-strings-concatenation/exercise.js
+++ b/exercises/E-strings-concatenation/exercise.js
@@ -1,3 +1,5 @@
-// Start by creating a variable `message`
+const introduction = "Hello my name is";
+const name = "  Abdulqadir";
 
-console.log(message);
+console.log(introduction);
+console.log(name);

From ea1271eaedcacc8027c5fcd602da42c41b2615ab Mon Sep 17 00:00:00 2001
From: abdiqaadir3110 <abdiqaadirabdillahi@gmail.com>
Date: Tue, 15 Dec 2020 02:04:12 +0000
Subject: [PATCH 05/38] answers f to k

---
 exercises/F-strings-methods/exercise.js       |  5 +++--
 exercises/F-strings-methods/exercise2.js      |  6 ++++--
 exercises/G-numbers/exercise.js               |  7 +++++++
 exercises/I-floats/exercise.js                | 13 +++++++++++++
 exercises/J-functions/exercise.js             |  8 +++++++-
 exercises/J-functions/exercise2.js            |  2 +-
 exercises/K-functions-parameters/README.md    |  2 +-
 exercises/K-functions-parameters/exercise.js  |  4 ++--
 exercises/K-functions-parameters/exercise2.js |  4 +++-
 exercises/K-functions-parameters/exercise3.js |  4 +++-
 exercises/K-functions-parameters/exercise4.js |  6 ++++--
 exercises/K-functions-parameters/exercise5.js |  4 +++-
 12 files changed, 51 insertions(+), 14 deletions(-)

diff --git a/exercises/F-strings-methods/exercise.js b/exercises/F-strings-methods/exercise.js
index 2cffa6a81..d3252c0ea 100644
--- a/exercises/F-strings-methods/exercise.js
+++ b/exercises/F-strings-methods/exercise.js
@@ -1,3 +1,4 @@
-// Start by creating a variable `message`
+let name = "Abdulqadir";
+let nameLength = name.length;
 
-console.log(message);
+console.log(`My name is ${name} and my name is ${name.length} characters long`);
\ No newline at end of file
diff --git a/exercises/F-strings-methods/exercise2.js b/exercises/F-strings-methods/exercise2.js
index b4b46943d..0fdb111c7 100644
--- a/exercises/F-strings-methods/exercise2.js
+++ b/exercises/F-strings-methods/exercise2.js
@@ -1,3 +1,5 @@
-const name = " Daniel  ";
+let name  = "Abdulqadir";
+let addTrim = name.trim();
+let newNameLength = addTrim.length;
 
-console.log(message);
+console.log(`my name is ${addTrim} and my name is ${newNameLength} characters long`);
\ No newline at end of file
diff --git a/exercises/G-numbers/exercise.js b/exercises/G-numbers/exercise.js
index 49e7bc00b..301fd7815 100644
--- a/exercises/G-numbers/exercise.js
+++ b/exercises/G-numbers/exercise.js
@@ -1 +1,8 @@
 // Start by creating a variables `numberOfStudents` and `numberOfMentors`
+let numberOfStudents = 15;
+let numberOfMentors = 3;
+let total = numberOfStudents + numberOfMentors;
+
+console.log(`number of students: ${numberOfStudents}`);
+console.log(`number of mentors: ${numberOfMentors}` );
+console.log(`total number of students and mentors: ${total}`);
diff --git a/exercises/I-floats/exercise.js b/exercises/I-floats/exercise.js
index a5bbcd852..759b77c6e 100644
--- a/exercises/I-floats/exercise.js
+++ b/exercises/I-floats/exercise.js
@@ -1,2 +1,15 @@
 var numberOfStudents = 15;
 var numberOfMentors = 8;
+var total = numberOfStudents + numberOfMentors;
+
+var convertStudent = numberOfStudents/total*100;
+var convertMentors = numberOfMentors/total*100;
+
+var percentageOfStudents = Math.round(convertStudent);
+var percentageOfMentors = Math.round(convertMentors);
+
+console.log(`Student percentage: ${percentageOfStudents}%`);
+console.log(`Student percentage: ${percentageOfMentors}%`);
+
+
+
diff --git a/exercises/J-functions/exercise.js b/exercises/J-functions/exercise.js
index 0ae5850e5..a239e7a4d 100644
--- a/exercises/J-functions/exercise.js
+++ b/exercises/J-functions/exercise.js
@@ -1,7 +1,13 @@
 function halve(number) {
-  // complete the function here
+  return number/2;
 }
 
 var result = halve(12);
+var result1 = halve(20);
+var result2 = halve(30);
+var result3 = halve(100);
 
 console.log(result);
+console.log(result1);
+console.log(result2);
+console.log(result3);
diff --git a/exercises/J-functions/exercise2.js b/exercises/J-functions/exercise2.js
index 82ef5e780..9b1665f53 100644
--- a/exercises/J-functions/exercise2.js
+++ b/exercises/J-functions/exercise2.js
@@ -1,5 +1,5 @@
 function triple(number) {
-  // complete function here
+  return number*3
 }
 
 var result = triple(12);
diff --git a/exercises/K-functions-parameters/README.md b/exercises/K-functions-parameters/README.md
index 02ab2a844..c961dd87c 100644
--- a/exercises/K-functions-parameters/README.md
+++ b/exercises/K-functions-parameters/README.md
@@ -42,7 +42,7 @@ function add(num1, num2) {
 
 * Write a function that takes a name (a string) and returns a greeting
 
-## Expected result
+## Expected result 
 
 ```
 Hello, my name is Daniel
diff --git a/exercises/K-functions-parameters/exercise.js b/exercises/K-functions-parameters/exercise.js
index 8d5db5e69..9e8ac798a 100644
--- a/exercises/K-functions-parameters/exercise.js
+++ b/exercises/K-functions-parameters/exercise.js
@@ -1,6 +1,6 @@
 // Complete the function so that it takes input parameters
-function multiply() {
-  // Calculate the result of the function and return it
+function multiply(num1, num2) {
+ return num1*num2; // Calculate the result of the function and return it
 }
 
 // Assign the result of calling the function the variable `result`
diff --git a/exercises/K-functions-parameters/exercise2.js b/exercises/K-functions-parameters/exercise2.js
index db7a8904b..921ca0c52 100644
--- a/exercises/K-functions-parameters/exercise2.js
+++ b/exercises/K-functions-parameters/exercise2.js
@@ -1,4 +1,6 @@
-// Declare your function first
+function divide(num1, num2){
+    return num1/num2;
+}// Declare your function first
 
 var result = divide(3, 4);
 
diff --git a/exercises/K-functions-parameters/exercise3.js b/exercises/K-functions-parameters/exercise3.js
index 537e9f4ec..00c010f17 100644
--- a/exercises/K-functions-parameters/exercise3.js
+++ b/exercises/K-functions-parameters/exercise3.js
@@ -1,4 +1,6 @@
-// Write your function here
+function createGreeting(name){
+    return `Hello, my name is ${name}`;
+}// Write your function here
 
 var greeting = createGreeting("Daniel");
 
diff --git a/exercises/K-functions-parameters/exercise4.js b/exercises/K-functions-parameters/exercise4.js
index 7ab44589e..c2e5cff05 100644
--- a/exercises/K-functions-parameters/exercise4.js
+++ b/exercises/K-functions-parameters/exercise4.js
@@ -1,5 +1,7 @@
-// Declare your function first
+function add(num1, num2) {
+    return num1+num2;
+}// Declare your function first
 
-// Call the function and assign to a variable `sum`
+var sum = add(13,124);// Call the function and assign to a variable `sum`
 
 console.log(sum);
diff --git a/exercises/K-functions-parameters/exercise5.js b/exercises/K-functions-parameters/exercise5.js
index 7c5bcd605..e43963566 100644
--- a/exercises/K-functions-parameters/exercise5.js
+++ b/exercises/K-functions-parameters/exercise5.js
@@ -1,4 +1,6 @@
-// Declare your function here
+function createLongGreeting(name,age){
+    return`Hello, my name is ${name} and I'm ${age} years old`
+}// Declare your function here
 
 const greeting = createLongGreeting("Daniel", 30);
 

From 1da95c79ef31b5747aec791f2d7af58f8a5fd921 Mon Sep 17 00:00:00 2001
From: abdiqaadir3110 <abdiqaadirabdillahi@gmail.com>
Date: Tue, 15 Dec 2020 03:35:02 +0000
Subject: [PATCH 06/38] Update exercise.js

---
 exercises/L-functions-nested/exercise.js | 44 ++++++++++++++++++++++++
 1 file changed, 44 insertions(+)

diff --git a/exercises/L-functions-nested/exercise.js b/exercises/L-functions-nested/exercise.js
index a5d377442..0dba27846 100644
--- a/exercises/L-functions-nested/exercise.js
+++ b/exercises/L-functions-nested/exercise.js
@@ -1,5 +1,49 @@
+function percentage(num,total) {
+    return (num/total*100);
+}
+
+var numberOfStudents = 15;
+var numberOfMentors = 8;
+var total = numberOfStudents + numberOfMentors;
+var totalPercentage = percentage(numberOfStudents,numberOfMentors,total);
+
+function initialMessage(numberOfStudents, numberOfMentors){
+    message = `totalPercentage: ${numberOfStudents} ${numberOfMentors} ${Math.round(percentage)}%`;
+    return message;
+}
+
+console.log(totalPercentage);
+
+
+
+
+
+
+
+
+
+
+
+
 var mentor1 = "Daniel";
 var mentor2 = "Irina";
 var mentor3 = "Mimi";
 var mentor4 = "Rob";
 var mentor5 = "Yohannes";
+
+function shoutyGreeting(name){
+    var greeting = name.toUpperCase();
+    return greeting = `HELLO ${greeting}`;
+}
+
+var greeting1 = shoutyGreeting(mentor1);
+var greeting2 = shoutyGreeting(mentor2);
+var greeting3 = shoutyGreeting(mentor3);
+var greeting4 = shoutyGreeting(mentor4);
+var greeting5 = shoutyGreeting(mentor5);
+
+console.log(greeting1);
+console.log(greeting2);
+console.log(greeting3);
+console.log(greeting4);
+console.log(greeting5);
\ No newline at end of file

From 11dd1d9bcae12740113ca969d2418f4c05019c13 Mon Sep 17 00:00:00 2001
From: abdiqaadir3110 <abdiqaadirabdillahi@gmail.com>
Date: Tue, 15 Dec 2020 04:02:32 +0000
Subject: [PATCH 07/38] Update 1-syntax-errors.js

syntax error completed 1
---
 mandatory/1-syntax-errors.js | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/mandatory/1-syntax-errors.js b/mandatory/1-syntax-errors.js
index 0a21afd1b..95f131831 100644
--- a/mandatory/1-syntax-errors.js
+++ b/mandatory/1-syntax-errors.js
@@ -1,16 +1,17 @@
 // There are syntax errors in this code - can you fix it to pass the tests?
 
-function addNumbers(a b c) {
+function addNumbers(a, b ,c) {
     return a + b + c;
 }
 
-function introduceMe(name, age)
-return "Hello, my name is " + name "and I am " age + "years old";
+function introduceMe(name, age) {
+    return "Hello, my name is " + name + " and I am " + age + " years old";
+}
 
 function getTotal(a, b) {
-    total = a ++ b;
+    total = a + b;
 
-    return "The total is total"
+    return "The total is " + total;
 }
 
 /* 

From 1ba5862c45060c753f51e006150484f975dd906b Mon Sep 17 00:00:00 2001
From: abdiqaadir3110 <abdiqaadirabdillahi@gmail.com>
Date: Tue, 15 Dec 2020 04:05:33 +0000
Subject: [PATCH 08/38] Update 2-logic-error.js

logic errors done
---
 mandatory/2-logic-error.js | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/mandatory/2-logic-error.js b/mandatory/2-logic-error.js
index 3c578ad87..f2076f517 100644
--- a/mandatory/2-logic-error.js
+++ b/mandatory/2-logic-error.js
@@ -1,16 +1,15 @@
 // The syntax for this function is valid but it has an error, find it and fix it.
 
 function trimWord(word) {
-  return wordtrim();
+  return word.trim();
 }
 
 function getWordLength(word) {
-  return "word".length();
+  return word.length;
 }
 
 function multiply(a, b, c) {
-  a * b * c;
-  return;
+      return a*b*c;
 }
 
 /* 

From e2962b67b99a2e95a5691465997443f0e94eba56 Mon Sep 17 00:00:00 2001
From: abdiqaadir3110 <abdiqaadirabdillahi@gmail.com>
Date: Tue, 15 Dec 2020 04:32:01 +0000
Subject: [PATCH 09/38] Update 3-function-output.js

completed
---
 mandatory/3-function-output.js | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/mandatory/3-function-output.js b/mandatory/3-function-output.js
index c9221a200..d5f48804b 100644
--- a/mandatory/3-function-output.js
+++ b/mandatory/3-function-output.js
@@ -1,18 +1,21 @@
 // Add comments to explain what this function does. You're meant to use Google!
 function getNumber() {
   return Math.random() * 10;
-}
+} // The Math.random() function returns a floating-point, pseudo-random number in the range 0 to less than 1 (inclusive of 0, but not 1)with approximately uniform distribution over that range — which you can then scale to your desired range. so the getnumber function multiplies the psuedo random number between 0 and 10 however not 10.
 
 // Add comments to explain what this function does. You're meant to use Google!
 function s(w1, w2) {
   return w1.concat(w2);
 }
+//I think this function allows 2 strings to be added together and create or in this case return a new string
 
 function concatenate(firstWord, secondWord, thirdWord) {
   // Write the body of this function to concatenate three words together.
   // Look at the test case below to understand what this function is expected to return.
+return `${firstWord} ${secondWord} ${thirdWord}`;
 }
 
+
 /* 
 ===================================================
 ======= TESTS - DO NOT MODIFY BELOW THIS LINE =====

From 78a1327e041ceb5ebeb2afef5aad841def6b41d9 Mon Sep 17 00:00:00 2001
From: abdiqaadir3110 <abdiqaadirabdillahi@gmail.com>
Date: Tue, 15 Dec 2020 16:51:39 +0000
Subject: [PATCH 10/38] Update 4-tax.js

---
 mandatory/4-tax.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/mandatory/4-tax.js b/mandatory/4-tax.js
index c9e41c691..19345f0fc 100644
--- a/mandatory/4-tax.js
+++ b/mandatory/4-tax.js
@@ -5,7 +5,9 @@
   Sales tax is 20% of the price of the product
 */
 
-function calculateSalesTax() {}
+function calculateSalesTax(price) {
+  return price + (price*0.2);
+}
 
 /*
   CURRENCY FORMATTING

From ef5eef6065f06bd7e601ac55c9849e9eee432741 Mon Sep 17 00:00:00 2001
From: DouglasVDM <74470226+DouglasVDM@users.noreply.github.com>
Date: Sat, 16 Jan 2021 18:26:24 +0200
Subject: [PATCH 11/38] Update 1-syntax-errors.js

Mt first try.
---
 mandatory/1-syntax-errors.js | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/mandatory/1-syntax-errors.js b/mandatory/1-syntax-errors.js
index 95f131831..6bc206d08 100644
--- a/mandatory/1-syntax-errors.js
+++ b/mandatory/1-syntax-errors.js
@@ -1,6 +1,6 @@
 // There are syntax errors in this code - can you fix it to pass the tests?
 
-function addNumbers(a, b ,c) {
+function addNumbers(a, b, c) {
     return a + b + c;
 }
 
@@ -9,11 +9,13 @@ function introduceMe(name, age) {
 }
 
 function getTotal(a, b) {
-    total = a + b;
+    let total = a + b;
 
     return "The total is " + total;
 }
 
+console.log(getTotal);
+
 /* 
 ===================================================
 ======= TESTS - DO NOT MODIFY BELOW THIS LINE =====

From d705ed09552653eadeda01a3fa72fcf50a935665 Mon Sep 17 00:00:00 2001
From: DouglasVDM <74470226+DouglasVDM@users.noreply.github.com>
Date: Sat, 16 Jan 2021 19:19:28 +0200
Subject: [PATCH 12/38] Add comments after google search

---
 mandatory/3-function-output.js | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/mandatory/3-function-output.js b/mandatory/3-function-output.js
index d5f48804b..c642f0959 100644
--- a/mandatory/3-function-output.js
+++ b/mandatory/3-function-output.js
@@ -1,9 +1,15 @@
 // Add comments to explain what this function does. You're meant to use Google!
+
+// Math.random() returns a random number between 0 (inclusive),  and 1 (exclusive):
+// For example: 0.40020936983011146
+// Math.random() always returns a number lower than 1.
 function getNumber() {
   return Math.random() * 10;
 } // The Math.random() function returns a floating-point, pseudo-random number in the range 0 to less than 1 (inclusive of 0, but not 1)with approximately uniform distribution over that range — which you can then scale to your desired range. so the getnumber function multiplies the psuedo random number between 0 and 10 however not 10.
 
 // Add comments to explain what this function does. You're meant to use Google!
+// The concat() method is used to join two or more arrays.
+This method does not change the existing arrays, but returns a new array, containing the values of the joined arrays.
 function s(w1, w2) {
   return w1.concat(w2);
 }
@@ -12,7 +18,7 @@ function s(w1, w2) {
 function concatenate(firstWord, secondWord, thirdWord) {
   // Write the body of this function to concatenate three words together.
   // Look at the test case below to understand what this function is expected to return.
-return `${firstWord} ${secondWord} ${thirdWord}`;
+  return `${firstWord} ${secondWord} ${thirdWord}`;
 }
 
 

From 6abe75e612471df4d70f4ee82a81c9093d3f4fca Mon Sep 17 00:00:00 2001
From: DouglasVDM <74470226+DouglasVDM@users.noreply.github.com>
Date: Sat, 16 Jan 2021 19:53:54 +0200
Subject: [PATCH 13/38] Add comments to changes

---
 exercises/B-hello-world/exercise.js | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/exercises/B-hello-world/exercise.js b/exercises/B-hello-world/exercise.js
index 6a949aa04..ef14d9328 100644
--- a/exercises/B-hello-world/exercise.js
+++ b/exercises/B-hello-world/exercise.js
@@ -1,2 +1,12 @@
 console.log("Hello World");
-console.log(5);
\ No newline at end of file
+console.log(5);
+
+// When I console.log several things at once, I get a list of answers.
+
+// When I get rid of quotes,I get a syntax error.
+console.log(Hello World.I just started learning JavaScript!);
+
+console.log("Hello World. I just started learning JavaScript!");
+
+// A number without quotes.
+console.log(205);
\ No newline at end of file

From c249f4dd29dd3d4c978882d8e85aaf13e1a66bf7 Mon Sep 17 00:00:00 2001
From: DouglasVDM <74470226+DouglasVDM@users.noreply.github.com>
Date: Sun, 17 Jan 2021 08:41:04 +0200
Subject: [PATCH 14/38] C-variables

---
 exercises/C-variables/exercise.js | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/exercises/C-variables/exercise.js b/exercises/C-variables/exercise.js
index 36b8eca74..c8382f8d2 100644
--- a/exercises/C-variables/exercise.js
+++ b/exercises/C-variables/exercise.js
@@ -1,11 +1,12 @@
 var approach = "greeting";// Start by creating a variable `greeting`
 
-console.log(approach);
+let greeting = "Hello World"
+console.log(greeting);
 
 var approach = "greeting";// Start by creating a variable `greeting`
 
-console.log(approach);
+console.log(greeting);
 
 var approach = "greeting";// Start by creating a variable `greeting`
 
-console.log(approach);
+console.log(greeting);

From d32cd9e9224be71629929c72a40e93e86ca5e295 Mon Sep 17 00:00:00 2001
From: DouglasVDM <74470226+DouglasVDM@users.noreply.github.com>
Date: Sun, 17 Jan 2021 09:03:22 +0200
Subject: [PATCH 15/38] Exercise-D

---
 exercises/D-strings/exercise.js | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/exercises/D-strings/exercise.js b/exercises/D-strings/exercise.js
index fee4053c9..9f9b5484f 100644
--- a/exercises/D-strings/exercise.js
+++ b/exercises/D-strings/exercise.js
@@ -4,3 +4,10 @@ const messageType = typeof message;
 
 console.log(message);
 console.log(messageType);
+
+// My copy
+const myText = "This is a String of Douglas";
+const usingTypeof = typeof myText;
+
+console.log(myText);
+console.log(usingTypeof);
\ No newline at end of file

From 536905cefe6dc2542c464dd506a17f8b529b911c Mon Sep 17 00:00:00 2001
From: DouglasVDM <74470226+DouglasVDM@users.noreply.github.com>
Date: Sun, 17 Jan 2021 09:22:07 +0200
Subject: [PATCH 16/38] E-Strings-Concatenation

---
 exercises/E-strings-concatenation/exercise.js | 16 ++++++++++++----
 1 file changed, 12 insertions(+), 4 deletions(-)

diff --git a/exercises/E-strings-concatenation/exercise.js b/exercises/E-strings-concatenation/exercise.js
index b1b770490..fd8cae8ac 100644
--- a/exercises/E-strings-concatenation/exercise.js
+++ b/exercises/E-strings-concatenation/exercise.js
@@ -1,5 +1,13 @@
-const introduction = "Hello my name is";
-const name = "  Abdulqadir";
+// const introduction = "Hello my name is";
+// const name = "  Abdulqadir";
 
-console.log(introduction);
-console.log(name);
+// console.log(introduction);
+// console.log(name);
+
+// My copy
+let standardIntro = "Hello, my first name is";
+let yourName = " Douglas.";
+
+let greeting = standardIntro + yourName;
+
+console.log(greeting);
\ No newline at end of file

From 88f948444e3a59efc89cee9ac80fb4912d521f6a Mon Sep 17 00:00:00 2001
From: DouglasVDM <74470226+DouglasVDM@users.noreply.github.com>
Date: Sun, 17 Jan 2021 10:34:32 +0200
Subject: [PATCH 17/38] F-strings-methods

concatenation with interpolation.
---
 exercises/F-strings-methods/exercise.js  | 13 ++++++++++---
 exercises/F-strings-methods/exercise2.js |  2 +-
 2 files changed, 11 insertions(+), 4 deletions(-)

diff --git a/exercises/F-strings-methods/exercise.js b/exercises/F-strings-methods/exercise.js
index d3252c0ea..c91e33d42 100644
--- a/exercises/F-strings-methods/exercise.js
+++ b/exercises/F-strings-methods/exercise.js
@@ -1,4 +1,11 @@
-let name = "Abdulqadir";
-let nameLength = name.length;
+// let name = "Abdulqadir";
+// let nameLength = name.length;
 
-console.log(`My name is ${name} and my name is ${name.length} characters long`);
\ No newline at end of file
+// console.log(`My name is ${name} and my name is ${name.length} characters long`);
+
+
+let myName = "Douglas Trainee";
+let myNameLength = myName.length;
+
+// With interpolation, I don't need to create another variable for the greeting text.
+console.log(`My name is ${myName} and my name is ${myNameLength} characters long`);
\ No newline at end of file
diff --git a/exercises/F-strings-methods/exercise2.js b/exercises/F-strings-methods/exercise2.js
index 0fdb111c7..d83866254 100644
--- a/exercises/F-strings-methods/exercise2.js
+++ b/exercises/F-strings-methods/exercise2.js
@@ -2,4 +2,4 @@ let name  = "Abdulqadir";
 let addTrim = name.trim();
 let newNameLength = addTrim.length;
 
-console.log(`my name is ${addTrim} and my name is ${newNameLength} characters long`);
\ No newline at end of file
+console.log(`my name is ${addTrim} and my name is ${newNameLength} characters long`);

From 566951e6adef8f8b0f8ba81468c5df72db26886b Mon Sep 17 00:00:00 2001
From: DouglasVDM <74470226+DouglasVDM@users.noreply.github.com>
Date: Sun, 17 Jan 2021 11:11:49 +0200
Subject: [PATCH 18/38] F-strings-methods-exercise2

---
 exercises/F-strings-methods/exercise2.js | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/exercises/F-strings-methods/exercise2.js b/exercises/F-strings-methods/exercise2.js
index d83866254..635ede2ff 100644
--- a/exercises/F-strings-methods/exercise2.js
+++ b/exercises/F-strings-methods/exercise2.js
@@ -3,3 +3,15 @@ let addTrim = name.trim();
 let newNameLength = addTrim.length;
 
 console.log(`my name is ${addTrim} and my name is ${newNameLength} characters long`);
+
+let myName = "  Douglas Trainee  ";
+let myNameLength = myName.length;
+
+let myNameTrim = myName.trim();
+let myNewNameLength = myNameTrim.length;
+
+// 19 characters for myName
+console.log(`My name is ${myName} and my name is ${myNameLength} characters long`);
+
+// The whitespaces are removed: 15 characters for myName
+console.log(`My name is ${myNameTrim} and my name is ${myNewNameLength} characters long`);
\ No newline at end of file

From 40591b2428c6e1d78c9f4db5592fb7580549641c Mon Sep 17 00:00:00 2001
From: DouglasVDM <74470226+DouglasVDM@users.noreply.github.com>
Date: Sun, 17 Jan 2021 11:40:40 +0200
Subject: [PATCH 19/38] G-numbers

---
 exercises/G-numbers/exercise.js | 19 ++++++++++++++-----
 1 file changed, 14 insertions(+), 5 deletions(-)

diff --git a/exercises/G-numbers/exercise.js b/exercises/G-numbers/exercise.js
index 301fd7815..b91af39eb 100644
--- a/exercises/G-numbers/exercise.js
+++ b/exercises/G-numbers/exercise.js
@@ -1,8 +1,17 @@
 // Start by creating a variables `numberOfStudents` and `numberOfMentors`
-let numberOfStudents = 15;
-let numberOfMentors = 3;
+// let numberOfStudents = 15;
+// let numberOfMentors = 3;
+// let total = numberOfStudents + numberOfMentors;
+
+// console.log(`number of students: ${numberOfStudents}`);
+// console.log(`number of mentors: ${numberOfMentors}` );
+// console.log(`total number of students and mentors: ${total}`);
+
+// My copy.
+let numberOfStudents = 30;
+let numberOfMentors = 10;
 let total = numberOfStudents + numberOfMentors;
 
-console.log(`number of students: ${numberOfStudents}`);
-console.log(`number of mentors: ${numberOfMentors}` );
-console.log(`total number of students and mentors: ${total}`);
+console.log(`Number of students: ${numberOfStudents}`);
+console.log(`Number of mentors: ${numberOfMentors}`);
+console.log(`Total number of students and mentors: ${total}`);
\ No newline at end of file

From 3a15ad7c553e7e1d280a7433a65258ec343eefb8 Mon Sep 17 00:00:00 2001
From: DouglasVDM <74470226+DouglasVDM@users.noreply.github.com>
Date: Sun, 17 Jan 2021 11:57:57 +0200
Subject: [PATCH 20/38] I-floats-exercise

---
 exercises/I-floats/exercise.js | 26 +++++++++++++++++---------
 1 file changed, 17 insertions(+), 9 deletions(-)

diff --git a/exercises/I-floats/exercise.js b/exercises/I-floats/exercise.js
index 759b77c6e..d95575386 100644
--- a/exercises/I-floats/exercise.js
+++ b/exercises/I-floats/exercise.js
@@ -1,15 +1,23 @@
-var numberOfStudents = 15;
-var numberOfMentors = 8;
-var total = numberOfStudents + numberOfMentors;
+// var numberOfStudents = 15;
+// var numberOfMentors = 8;
+// var total = numberOfStudents + numberOfMentors;
+
+// var convertStudent = numberOfStudents/total*100;
+// var convertMentors = numberOfMentors/total*100;
 
-var convertStudent = numberOfStudents/total*100;
-var convertMentors = numberOfMentors/total*100;
+// var percentageOfStudents = Math.round(convertStudent);
+// var percentageOfMentors = Math.round(convertMentors);
 
-var percentageOfStudents = Math.round(convertStudent);
-var percentageOfMentors = Math.round(convertMentors);
+// console.log(`Student percentage: ${percentageOfStudents}%`);
+// console.log(`Student percentage: ${percentageOfMentors}%`);
 
-console.log(`Student percentage: ${percentageOfStudents}%`);
-console.log(`Student percentage: ${percentageOfMentors}%`);
+var numberOfStudents = 30;
+var numberOfMentors = 10;
+var total = numberOfStudents + numberOfMentors;
 
+var convertStudents = numberOfStudents / total * 100;
+var convertMentors = numberOfMentors / total * 100;
 
+console.log(`Student percentage: ${convertStudents}%`);
+console.log(`Mentor percentage: ${convertMentors}%`);
 

From 19b9c4035a8126c31a96fe30776f0b0a34987da8 Mon Sep 17 00:00:00 2001
From: DouglasVDM <74470226+DouglasVDM@users.noreply.github.com>
Date: Sun, 17 Jan 2021 12:50:18 +0200
Subject: [PATCH 21/38] J-functions-exercise.js

---
 exercises/J-functions/exercise.js | 32 +++++++++++++++++++++----------
 1 file changed, 22 insertions(+), 10 deletions(-)

diff --git a/exercises/J-functions/exercise.js b/exercises/J-functions/exercise.js
index a239e7a4d..37d0820c9 100644
--- a/exercises/J-functions/exercise.js
+++ b/exercises/J-functions/exercise.js
@@ -1,13 +1,25 @@
-function halve(number) {
-  return number/2;
+// function halve(number) {
+//   return number/2;
+// }
+
+// var result = halve(12);
+// var result1 = halve(20);
+// var result2 = halve(30);
+// var result3 = halve(100);
+
+// console.log(result);
+// console.log(result1);
+// console.log(result2);
+// console.log(result3);
+
+function divide(number) {
+  return number / 2;
 }
 
-var result = halve(12);
-var result1 = halve(20);
-var result2 = halve(30);
-var result3 = halve(100);
+var answer1 = divide(5);
+var answer2 = divide(10);
+var answer3 = divide(15);
 
-console.log(result);
-console.log(result1);
-console.log(result2);
-console.log(result3);
+console.log(answer1);
+console.log(answer2);
+console.log(answer3);
\ No newline at end of file

From 87245d1f505bc2a43570449577be4d29b1ac2a4e Mon Sep 17 00:00:00 2001
From: DouglasVDM <74470226+DouglasVDM@users.noreply.github.com>
Date: Sun, 17 Jan 2021 13:01:30 +0200
Subject: [PATCH 22/38] J-functions-exercise2

---
 exercises/J-functions/exercise2.js | 17 +++++++++++++----
 1 file changed, 13 insertions(+), 4 deletions(-)

diff --git a/exercises/J-functions/exercise2.js b/exercises/J-functions/exercise2.js
index 9b1665f53..dd5b1b514 100644
--- a/exercises/J-functions/exercise2.js
+++ b/exercises/J-functions/exercise2.js
@@ -1,7 +1,16 @@
-function triple(number) {
-  return number*3
+// function triple(number) {
+//   return number*3
+// }
+
+// var result = triple(12);
+
+// console.log(result);
+
+// My copy.
+function threeTimes(number) {
+  return (number * 3)*3;
 }
 
-var result = triple(12);
+var answer = threeTimes(3);
 
-console.log(result);
+console.log(`The answer is ${answer}`)
\ No newline at end of file

From 5d4201467bffbdb1858fc41f327a90b27c2d6c8c Mon Sep 17 00:00:00 2001
From: DouglasVDM <74470226+DouglasVDM@users.noreply.github.com>
Date: Sun, 17 Jan 2021 13:20:37 +0200
Subject: [PATCH 23/38] K-functions-parameters-exercise1

---
 exercises/K-functions-parameters/exercise.js | 18 ++++++++++++++----
 1 file changed, 14 insertions(+), 4 deletions(-)

diff --git a/exercises/K-functions-parameters/exercise.js b/exercises/K-functions-parameters/exercise.js
index 9e8ac798a..c4d6cd86d 100644
--- a/exercises/K-functions-parameters/exercise.js
+++ b/exercises/K-functions-parameters/exercise.js
@@ -1,9 +1,19 @@
 // Complete the function so that it takes input parameters
+// function multiply(num1, num2) {
+//  return num1*num2; // Calculate the result of the function and return it
+// }
+
+// // Assign the result of calling the function the variable `result`
+// var result = multiply(3, 4);
+
+// console.log(result);
+
+// My copy.
 function multiply(num1, num2) {
- return num1*num2; // Calculate the result of the function and return it
+    return num1 * num2;
 }
 
-// Assign the result of calling the function the variable `result`
-var result = multiply(3, 4);
+let answer = multiply(5, 10);
+
+console.log(answer);
 
-console.log(result);

From b9bfb6e5244e6aa14f959799229fa84e97d66d61 Mon Sep 17 00:00:00 2001
From: DouglasVDM <74470226+DouglasVDM@users.noreply.github.com>
Date: Sun, 17 Jan 2021 13:34:54 +0200
Subject: [PATCH 24/38] K-functions-parameters-exercise2

---
 exercises/K-functions-parameters/exercise2.js | 19 ++++++++++++++-----
 1 file changed, 14 insertions(+), 5 deletions(-)

diff --git a/exercises/K-functions-parameters/exercise2.js b/exercises/K-functions-parameters/exercise2.js
index 921ca0c52..e629bf1c4 100644
--- a/exercises/K-functions-parameters/exercise2.js
+++ b/exercises/K-functions-parameters/exercise2.js
@@ -1,7 +1,16 @@
-function divide(num1, num2){
-    return num1/num2;
-}// Declare your function first
+// function divide(num1, num2){
+//     return num1/num2;
+// }// Declare your function first
 
-var result = divide(3, 4);
+// var result = divide(3, 4);
 
-console.log(result);
+// console.log(result);
+
+// My copy.
+function divide(num1, num2) {
+    return num1 / num2;
+}
+
+let answer = divide(5, 10);
+
+console.log(Math.round(answer));
\ No newline at end of file

From 75d4e88e65e874af15a210decf9b400d71b69f03 Mon Sep 17 00:00:00 2001
From: DouglasVDM <74470226+DouglasVDM@users.noreply.github.com>
Date: Sun, 17 Jan 2021 13:44:08 +0200
Subject: [PATCH 25/38] K-functions-parameters-exercise3

---
 exercises/K-functions-parameters/exercise3.js | 18 +++++++++++++-----
 1 file changed, 13 insertions(+), 5 deletions(-)

diff --git a/exercises/K-functions-parameters/exercise3.js b/exercises/K-functions-parameters/exercise3.js
index 00c010f17..dbd54634d 100644
--- a/exercises/K-functions-parameters/exercise3.js
+++ b/exercises/K-functions-parameters/exercise3.js
@@ -1,7 +1,15 @@
-function createGreeting(name){
-    return `Hello, my name is ${name}`;
-}// Write your function here
+// function createGreeting(name){
+//     return `Hello, my name is ${name}`;
+// }// Write your function here
 
-var greeting = createGreeting("Daniel");
+// var greeting = createGreeting("Daniel");
 
-console.log(greeting);
+// console.log(greeting);
+
+function standardGreeting(firstName) {
+    return `Hello my firstname is ${firstName}`
+}
+
+let greeting = standardGreeting("Douglas");
+
+console.log(greeting);
\ No newline at end of file

From e6de8c0b4708f6502b90e0f60d9244f8a7c83b53 Mon Sep 17 00:00:00 2001
From: DouglasVDM <74470226+DouglasVDM@users.noreply.github.com>
Date: Sun, 17 Jan 2021 13:49:44 +0200
Subject: [PATCH 26/38] K-functions-parameters-exercise4

---
 exercises/K-functions-parameters/exercise4.js | 20 ++++++++++++++-----
 1 file changed, 15 insertions(+), 5 deletions(-)

diff --git a/exercises/K-functions-parameters/exercise4.js b/exercises/K-functions-parameters/exercise4.js
index c2e5cff05..d848e3ab8 100644
--- a/exercises/K-functions-parameters/exercise4.js
+++ b/exercises/K-functions-parameters/exercise4.js
@@ -1,7 +1,17 @@
-function add(num1, num2) {
-    return num1+num2;
-}// Declare your function first
+// function add(num1, num2) {
+//     return num1+num2;
+// }// Declare your function first
 
-var sum = add(13,124);// Call the function and assign to a variable `sum`
+// var sum = add(13,124);// Call the function and assign to a variable `sum`
 
-console.log(sum);
+// console.log(sum);
+
+// My Copy.
+
+function adding(num1, num2) {
+    return num1 + num2;
+}
+
+let sum = adding(5, 10);
+
+console.log(sum);
\ No newline at end of file

From 85c3407b7b36b13431bd80366450e09fa87efb3c Mon Sep 17 00:00:00 2001
From: DouglasVDM <74470226+DouglasVDM@users.noreply.github.com>
Date: Sun, 17 Jan 2021 13:59:31 +0200
Subject: [PATCH 27/38] K-functions-parameters-exercise5

---
 exercises/K-functions-parameters/exercise5.js | 19 ++++++++++++++-----
 1 file changed, 14 insertions(+), 5 deletions(-)

diff --git a/exercises/K-functions-parameters/exercise5.js b/exercises/K-functions-parameters/exercise5.js
index e43963566..ff2f20f82 100644
--- a/exercises/K-functions-parameters/exercise5.js
+++ b/exercises/K-functions-parameters/exercise5.js
@@ -1,7 +1,16 @@
-function createLongGreeting(name,age){
-    return`Hello, my name is ${name} and I'm ${age} years old`
-}// Declare your function here
+// function createLongGreeting(name,age){
+//     return`Hello, my name is ${name} and I'm ${age} years old`
+// }// Declare your function here
 
-const greeting = createLongGreeting("Daniel", 30);
+// const greeting = createLongGreeting("Daniel", 30);
 
-console.log(greeting);
+// console.log(greeting);
+
+// My copy.
+function nameAgeGreeting(yourName, yourAge) {
+    return `My name is ${yourName} and I'm ${yourAge} years old.`;
+}
+
+let greeting = nameAgeGreeting("Douglas", 47);
+
+console.log(greeting);
\ No newline at end of file

From b895d6e179fb58d513340686d07e52cd21a3fc90 Mon Sep 17 00:00:00 2001
From: DouglasVDM <74470226+DouglasVDM@users.noreply.github.com>
Date: Sun, 17 Jan 2021 16:12:08 +0200
Subject: [PATCH 28/38] L-functions-nested-exercise1

---
 exercises/L-functions-nested/exercise.js | 81 +++++++++++++++---------
 1 file changed, 50 insertions(+), 31 deletions(-)

diff --git a/exercises/L-functions-nested/exercise.js b/exercises/L-functions-nested/exercise.js
index 0dba27846..27bef3f74 100644
--- a/exercises/L-functions-nested/exercise.js
+++ b/exercises/L-functions-nested/exercise.js
@@ -1,21 +1,39 @@
-function percentage(num,total) {
-    return (num/total*100);
-}
+// function percentage(num,total) {
+//     return (num/total*100);
+// }
+
+// var numberOfStudents = 15;
+// var numberOfMentors = 8;
+// var total = numberOfStudents + numberOfMentors;
+// var totalPercentage = percentage(numberOfStudents,numberOfMentors,total);
+
+// function initialMessage(numberOfStudents, numberOfMentors){
+//     message = `totalPercentage: ${numberOfStudents} ${numberOfMentors} ${Math.round(percentage)}%`;
+//     return message;
+// }
 
-var numberOfStudents = 15;
-var numberOfMentors = 8;
-var total = numberOfStudents + numberOfMentors;
-var totalPercentage = percentage(numberOfStudents,numberOfMentors,total);
+// console.log(totalPercentage);
 
-function initialMessage(numberOfStudents, numberOfMentors){
-    message = `totalPercentage: ${numberOfStudents} ${numberOfMentors} ${Math.round(percentage)}%`;
-    return message;
+function percentage(num, total) {
+    return Math.round((num / total) * 100);
 }
 
-console.log(totalPercentage);
+var numberOfStudents = 33;
+var numberOfMentors = 13;
 
+let total = numberOfStudents + numberOfMentors;
+let totalPercentageStudents = percentage(numberOfStudents, total);
+let totalPercentageMentors = percentage(numberOfMentors, total);
 
+// function percentageType(catagory, percent) {
+//     // let message1 = `Percentage Students: ${totalPercentageStudents}`;
+//     // let message2 = `Percentage Mentors: ${totalPercentageMentors}`;
+//     return notemessage1, message2;
+// }
 
+console.log(`Percentage Students: ${totalPercentageStudents}`);
+console.log(`Pencentage Mentors: ${totalPercentageMentors}`);
+    
 
 
 
@@ -25,25 +43,26 @@ console.log(totalPercentage);
 
 
 
-var mentor1 = "Daniel";
-var mentor2 = "Irina";
-var mentor3 = "Mimi";
-var mentor4 = "Rob";
-var mentor5 = "Yohannes";
 
-function shoutyGreeting(name){
-    var greeting = name.toUpperCase();
-    return greeting = `HELLO ${greeting}`;
-}
+// var mentor1 = "Daniel";
+// var mentor2 = "Irina";
+// var mentor3 = "Mimi";
+// var mentor4 = "Rob";
+// var mentor5 = "Yohannes";
+
+// function shoutyGreeting(name){
+//     var greeting = name.toUpperCase();
+//     return greeting = `HELLO ${greeting}`;
+// }
+
+// var greeting1 = shoutyGreeting(mentor1);
+// var greeting2 = shoutyGreeting(mentor2);
+// var greeting3 = shoutyGreeting(mentor3);
+// var greeting4 = shoutyGreeting(mentor4);
+// var greeting5 = shoutyGreeting(mentor5);
 
-var greeting1 = shoutyGreeting(mentor1);
-var greeting2 = shoutyGreeting(mentor2);
-var greeting3 = shoutyGreeting(mentor3);
-var greeting4 = shoutyGreeting(mentor4);
-var greeting5 = shoutyGreeting(mentor5);
-
-console.log(greeting1);
-console.log(greeting2);
-console.log(greeting3);
-console.log(greeting4);
-console.log(greeting5);
\ No newline at end of file
+// console.log(greeting1);
+// console.log(greeting2);
+// console.log(greeting3);
+// console.log(greeting4);
+// console.log(greeting5);
\ No newline at end of file

From 38b2718403dee2a16d9fb94b87c9e8f8813654c6 Mon Sep 17 00:00:00 2001
From: DouglasVDM <74470226+DouglasVDM@users.noreply.github.com>
Date: Sun, 17 Jan 2021 22:49:54 +0200
Subject: [PATCH 29/38] L-functions-nested-exercise1-add %

---
 exercises/L-functions-nested/exercise.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/exercises/L-functions-nested/exercise.js b/exercises/L-functions-nested/exercise.js
index 27bef3f74..e3f959d5d 100644
--- a/exercises/L-functions-nested/exercise.js
+++ b/exercises/L-functions-nested/exercise.js
@@ -31,8 +31,8 @@ let totalPercentageMentors = percentage(numberOfMentors, total);
 //     return notemessage1, message2;
 // }
 
-console.log(`Percentage Students: ${totalPercentageStudents}`);
-console.log(`Pencentage Mentors: ${totalPercentageMentors}`);
+console.log(`Percentage Students: ${totalPercentageStudents}%`);
+console.log(`Pencentage Mentors: ${totalPercentageMentors}%`);
     
 
 

From 73400017e8714c9002b06d1e2c2c852605468230 Mon Sep 17 00:00:00 2001
From: DouglasVDM <74470226+DouglasVDM@users.noreply.github.com>
Date: Mon, 18 Jan 2021 12:28:42 +0200
Subject: [PATCH 30/38] L-functions-nested-exercise1-add function for message

Added function for message.
---
 exercises/L-functions-nested/exercise.js | 32 ++++++++++++++++--------
 1 file changed, 21 insertions(+), 11 deletions(-)

diff --git a/exercises/L-functions-nested/exercise.js b/exercises/L-functions-nested/exercise.js
index e3f959d5d..7d0fe77ba 100644
--- a/exercises/L-functions-nested/exercise.js
+++ b/exercises/L-functions-nested/exercise.js
@@ -14,26 +14,36 @@
 
 // console.log(totalPercentage);
 
+// Function for calculating percentages.
 function percentage(num, total) {
     return Math.round((num / total) * 100);
 }
 
+// Variables used for calculating the percentages.
 var numberOfStudents = 33;
 var numberOfMentors = 13;
-
 let total = numberOfStudents + numberOfMentors;
-let totalPercentageStudents = percentage(numberOfStudents, total);
-let totalPercentageMentors = percentage(numberOfMentors, total);
+let percentageStudents = percentage(numberOfStudents, total);
+let percentageMentors = percentage(numberOfMentors, total);
 
-// function percentageType(catagory, percent) {
-//     // let message1 = `Percentage Students: ${totalPercentageStudents}`;
-//     // let message2 = `Percentage Mentors: ${totalPercentageMentors}`;
-//     return notemessage1, message2;
-// }
+// Function for creating the message.
+function percentageType(groupName, percentageOfGroupName) {
+    return groupName + percentageOfGroupName;
+}
+
+// Variables for creating the output message.
+let students = percentageType("Percentage Students: ", percentageStudents);
+let mentors = percentageType("Percentage Mentors: ", percentageMentors);
+
+// This one is using the variables above to output the message.
+console.log(students+"%");
+console.log(mentors+"%");
+// I need help with getting % added.
+
+// This one is interpolation to create the message.
+console.log(`Percentage Students: ${percentageStudents}%`);
+console.log(`Pencentage Mentors: ${percentageMentors}%`);
 
-console.log(`Percentage Students: ${totalPercentageStudents}%`);
-console.log(`Pencentage Mentors: ${totalPercentageMentors}%`);
-    
 
 
 

From cdb6a421176307faa081196a4dcfd3e620e26f62 Mon Sep 17 00:00:00 2001
From: DouglasVDM <74470226+DouglasVDM@users.noreply.github.com>
Date: Mon, 18 Jan 2021 14:04:47 +0200
Subject: [PATCH 31/38] L-functions-nested-exercise2

---
 exercises/L-functions-nested/exercise.js | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/exercises/L-functions-nested/exercise.js b/exercises/L-functions-nested/exercise.js
index 7d0fe77ba..d46a2c981 100644
--- a/exercises/L-functions-nested/exercise.js
+++ b/exercises/L-functions-nested/exercise.js
@@ -71,6 +71,28 @@ console.log(`Pencentage Mentors: ${percentageMentors}%`);
 // var greeting4 = shoutyGreeting(mentor4);
 // var greeting5 = shoutyGreeting(mentor5);
 
+let mentorA = "daniel";
+let mentorB = "irina";
+let mentorC = "mimi";
+let mentorD = "rob";
+let mentorE = "yohannes";
+
+function shoutyGreeting(mentorName) {
+    return "Hello " + mentorName + ".";
+}
+
+let greet1 = shoutyGreeting(mentorA.toUpperCase())
+let greet2 = shoutyGreeting(mentorB.toUpperCase())
+let greet3 = shoutyGreeting(mentorC.toUpperCase())
+let greet4 = shoutyGreeting(mentorD.toUpperCase())
+let greet5 = shoutyGreeting(mentorE.toUpperCase())
+
+console.log(greet1);
+console.log(greet2);
+console.log(greet3);
+console.log(greet4);
+console.log(greet5);
+
 // console.log(greeting1);
 // console.log(greeting2);
 // console.log(greeting3);

From 84755e7341a513cf93984390ef2a532effc32036 Mon Sep 17 00:00:00 2001
From: DouglasVDM <74470226+DouglasVDM@users.noreply.github.com>
Date: Mon, 18 Jan 2021 14:17:19 +0200
Subject: [PATCH 32/38] mandatory-3-function-output

---
 mandatory/3-function-output.js | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/mandatory/3-function-output.js b/mandatory/3-function-output.js
index c642f0959..2dbcc49d2 100644
--- a/mandatory/3-function-output.js
+++ b/mandatory/3-function-output.js
@@ -9,7 +9,7 @@ function getNumber() {
 
 // Add comments to explain what this function does. You're meant to use Google!
 // The concat() method is used to join two or more arrays.
-This method does not change the existing arrays, but returns a new array, containing the values of the joined arrays.
+// This method does not change the existing arrays, but returns a new array, containing the values of the joined arrays.
 function s(w1, w2) {
   return w1.concat(w2);
 }
@@ -21,6 +21,11 @@ function concatenate(firstWord, secondWord, thirdWord) {
   return `${firstWord} ${secondWord} ${thirdWord}`;
 }
 
+//Here, I called the last function.
+let threeWords = concatenate("I", "don't know", "what to do here!");
+
+// Here, I'm checking my output.
+console.log(threeWords);
 
 /* 
 ===================================================

From d0a18425b9733db65c68caf91602fd2b18b46af3 Mon Sep 17 00:00:00 2001
From: DouglasVDM <74470226+DouglasVDM@users.noreply.github.com>
Date: Mon, 18 Jan 2021 22:24:04 +0200
Subject: [PATCH 33/38] Mandatory-4-tax-meet

Denver and Andile google meets
---
 mandatory/4-tax.js | 30 +++++++++++++++++++++++++++++-
 1 file changed, 29 insertions(+), 1 deletion(-)

diff --git a/mandatory/4-tax.js b/mandatory/4-tax.js
index 19345f0fc..59ea8779d 100644
--- a/mandatory/4-tax.js
+++ b/mandatory/4-tax.js
@@ -19,7 +19,35 @@ function calculateSalesTax(price) {
   Remember that the prices must include the sales tax (hint: you already wrote a function for this!)
 */
 
-function addTaxAndFormatCurrency() {}
+function addTaxAndFormatCurrency(numberToBeTaxed) {
+  const taxedValue = calculateSalesTax(numberToBeTaxed); //return taxed value.
+  const formatValue = `£${taxedValue.toFixed(2)}`; //formatted tax value.
+  return formatValue;
+  // return `£${calculateSalesTax(numberToBeTaxed).toFixed(2)}`;
+
+  // // let formatNumber = numberToBeTaxed.toFixed(2);
+  // // let finalNumber = `£ ${formatNumber}`;
+  // // return finalNumber;
+  // return `£${numberToBeTaxed.toFixed(2)}`
+}
+
+// let price1 = calculateSalesTax(15);
+// let price2 = calculateSalesTax(17.5);
+// let price3 = calculateSalesTax(34);
+
+// let numberToBeTaxed = price1;
+
+// let case1 = numberToBeTaxed(price1);
+// let case2 = numberToBeTaxed(price1);
+// let case3 = numberToBeTaxed(price1);
+
+// console.log(case1);
+// console.log(case2);
+// console.log(case3);
+
+// The toFixed() method converts a number into a string, rounding to a specified number of decimals.
+// var num = 5.56789;
+//   var n = num.toFixed(2);
 
 /* 
 ===================================================

From 2b626686ad32bee3518f2b71cfd1df01c012f420 Mon Sep 17 00:00:00 2001
From: DouglasVDM <74470226+DouglasVDM@users.noreply.github.com>
Date: Mon, 18 Jan 2021 22:25:15 +0200
Subject: [PATCH 34/38] L-functions-exercise-meet

Denver and Andile
---
 exercises/L-functions-nested/exercise.js | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/exercises/L-functions-nested/exercise.js b/exercises/L-functions-nested/exercise.js
index d46a2c981..c9026feb9 100644
--- a/exercises/L-functions-nested/exercise.js
+++ b/exercises/L-functions-nested/exercise.js
@@ -15,14 +15,15 @@
 // console.log(totalPercentage);
 
 // Function for calculating percentages.
+
 function percentage(num, total) {
     return Math.round((num / total) * 100);
 }
 
 // Variables used for calculating the percentages.
-var numberOfStudents = 33;
-var numberOfMentors = 13;
-let total = numberOfStudents + numberOfMentors;
+const numberOfStudents = 33;
+const numberOfMentors = 13;
+const total = numberOfStudents + numberOfMentors;
 let percentageStudents = percentage(numberOfStudents, total);
 let percentageMentors = percentage(numberOfMentors, total);
 
@@ -40,7 +41,8 @@ console.log(students+"%");
 console.log(mentors+"%");
 // I need help with getting % added.
 
-// This one is interpolation to create the message.
+This one is interpolation to create the message.
+    
 console.log(`Percentage Students: ${percentageStudents}%`);
 console.log(`Pencentage Mentors: ${percentageMentors}%`);
 

From 0573375834909b18f7fb110e3b5e7e5e1cf61b13 Mon Sep 17 00:00:00 2001
From: DouglasVDM <74470226+DouglasVDM@users.noreply.github.com>
Date: Mon, 18 Jan 2021 22:46:32 +0200
Subject: [PATCH 35/38] 1-currency-conversion

---
 extra/1-currency-conversion.js | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/extra/1-currency-conversion.js b/extra/1-currency-conversion.js
index 70a2fe863..c9ecaf8b7 100644
--- a/extra/1-currency-conversion.js
+++ b/extra/1-currency-conversion.js
@@ -5,7 +5,10 @@
   Write a function that converts a price to USD (exchange rate is 1.4 $ to £)
 */
 
-function convertToUSD() {}
+function convertToUSD(price) {
+  let converting = price * 1.4;
+  return converting;
+}
 
 /*
   CURRENCY FORMATTING
@@ -15,7 +18,10 @@ function convertToUSD() {}
   They have also decided that they should add a 1% fee to all foreign transactions, which means you only convert 99% of the £ to BRL.
 */
 
-function convertToBRL() {}
+function convertToBRL(price) {
+  let conversion = price * (5.7 * 0.99);
+  return conversion
+}
 
 /* ======= TESTS - DO NOT MODIFY ===== 
 There are some Tests in this file that will help you work out if your code is working.

From b04fffd2ba4d803097ecfef3a359947e0f604124 Mon Sep 17 00:00:00 2001
From: DouglasVDM <74470226+DouglasVDM@users.noreply.github.com>
Date: Mon, 18 Jan 2021 22:59:02 +0200
Subject: [PATCH 36/38] extra-2-piping

---
 extra/2-piping.js | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/extra/2-piping.js b/extra/2-piping.js
index 067dd0f5b..fb677f1bf 100644
--- a/extra/2-piping.js
+++ b/extra/2-piping.js
@@ -16,16 +16,16 @@
   the final result to the variable goodCode
 */
 
-function add() {
-
+function add(number1, number2) {
+    return number1 + number2;
 }
 
-function multiply() {
-
+function multiply(number1, number2) {
+    return number1 * number2;
 }
 
-function format() {
-
+function format(numbers) {
+    let formatNumber = `"£"${number}`;
 }
 
 const startingValue = 2

From e363d534b9e9a718520de1e8feef41401fe761e3 Mon Sep 17 00:00:00 2001
From: DouglasVDM <74470226+DouglasVDM@users.noreply.github.com>
Date: Tue, 19 Jan 2021 21:48:13 +0200
Subject: [PATCH 37/38] mandatory-4-tax-cleanup

---
 mandatory/4-tax.js | 25 -------------------------
 1 file changed, 25 deletions(-)

diff --git a/mandatory/4-tax.js b/mandatory/4-tax.js
index 59ea8779d..852da204c 100644
--- a/mandatory/4-tax.js
+++ b/mandatory/4-tax.js
@@ -23,32 +23,7 @@ function addTaxAndFormatCurrency(numberToBeTaxed) {
   const taxedValue = calculateSalesTax(numberToBeTaxed); //return taxed value.
   const formatValue = `£${taxedValue.toFixed(2)}`; //formatted tax value.
   return formatValue;
-  // return `£${calculateSalesTax(numberToBeTaxed).toFixed(2)}`;
-
-  // // let formatNumber = numberToBeTaxed.toFixed(2);
-  // // let finalNumber = `£ ${formatNumber}`;
-  // // return finalNumber;
-  // return `£${numberToBeTaxed.toFixed(2)}`
 }
-
-// let price1 = calculateSalesTax(15);
-// let price2 = calculateSalesTax(17.5);
-// let price3 = calculateSalesTax(34);
-
-// let numberToBeTaxed = price1;
-
-// let case1 = numberToBeTaxed(price1);
-// let case2 = numberToBeTaxed(price1);
-// let case3 = numberToBeTaxed(price1);
-
-// console.log(case1);
-// console.log(case2);
-// console.log(case3);
-
-// The toFixed() method converts a number into a string, rounding to a specified number of decimals.
-// var num = 5.56789;
-//   var n = num.toFixed(2);
-
 /* 
 ===================================================
 ======= TESTS - DO NOT MODIFY BELOW THIS LINE =====

From 8e4933178eb53d0be86f29f37cce361b7827c8af Mon Sep 17 00:00:00 2001
From: DouglasVDM <74470226+DouglasVDM@users.noreply.github.com>
Date: Tue, 19 Jan 2021 22:36:45 +0200
Subject: [PATCH 38/38] extra-2-piping

---
 extra/2-piping.js | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/extra/2-piping.js b/extra/2-piping.js
index fb677f1bf..08dec3dc2 100644
--- a/extra/2-piping.js
+++ b/extra/2-piping.js
@@ -26,16 +26,21 @@ function multiply(number1, number2) {
 
 function format(numbers) {
     let formatNumber = `"£"${number}`;
+    return formatNumber;
 }
 
-const startingValue = 2
+const startingValue = format(multiply((add(startingValue, 10), 2)));
 
 // Why can this code be seen as bad practice? Comment your answer.
-let badCode = 
+let badCode = startingValue; //When my code breaks, it will be difficult to see where I went wrong. Other coders will find my code difficult to read.
 
 /* BETTER PRACTICE */
 
-let goodCode = 
+let adding = add(startingValue, 10); //used add function.
+let multiplying = multiply(`${adding}`, 2); //used multiply function.
+let formatting = format(`${multiplying}`); //used formatting function.
+
+let goodCode = formatting; //Myself and Other coders can see clearly how I get to my result.
 
 /* ======= TESTS - DO NOT MODIFY ===== 
 There are some Tests in this file that will help you work out if your code is working.