diff --git a/index.js b/index.js
index 294f6b2..2e15d51 100644
--- a/index.js
+++ b/index.js
@@ -9,11 +9,10 @@ const s5 = "and";
 
 // Concatenate the string variables into one new string
 
-
+const newStr = `${s1} ${s2} ${s3} ${s4} ${s5} ${s3} ${s2} ${s1} ${s4} `;
 // Print out the concatenated string
 
-
-
+console.log(newStr);
 
 /*******************************************
     Iteration 1.2 | Camel Tail
@@ -22,12 +21,12 @@ const part1 = "java";
 const part2 = "script";
 
 // Convert the last letter of part1 and part2 to uppercase and concatenate the strings
-
+const newPart1 = part1.slice(0, 3) + part1[3].toUpperCase();
+const newPart2 = part2.slice(0, 5) + part2[5].toUpperCase();
+const newPart = `${newPart1}${newPart2}`;
 
 // Print the cameLtaiL-formatted string
-
-
-
+console.log(newPart);
 
 /*******************************************
     Iteration 2.1 | Calculate Tip
@@ -35,12 +34,10 @@ const part2 = "script";
 const billTotal = 84;
 
 // Calculate the tip (15% of the bill total)
-
+const tip = (84 * 15) / 100;
 
 // Print out the tipAmount
-
-
-
+console.log(tip);
 
 /*******************************************
     Iteration 2.2 | Generate Random Number
@@ -48,11 +45,10 @@ const billTotal = 84;
 
 // Generate a random integer between 1 and 10 (inclusive)
 
+let floor = Math.floor(Math.random() * 10) + 1;
 
 // Print the generated random number
-
-
-
+console.log(floor);
 /*******************************************
     Iteration 3.1 | Booleans
 *******************************************/
@@ -62,15 +58,22 @@ const b = false;
 
 // Try and guess the output of the below expressions first and write your answers down:
 const expression1 = a && b;
+console.log(expression1); // false
 
 const expression2 = a || b;
+console.log(expression2); // true
 
 const expression3 = !a && b;
+console.log(expression3); //true
 
 const expression4 = !(a && b);
+console.log(expression4); // true
 
 const expression5 = !a || !b;
+console.log(expression5); // true
 
 const expression6 = !(a || b);
+console.log(expression6); // false
 
-const expression7 = a && a;
\ No newline at end of file
+const expression7 = a && a;
+console.log(expression7); // true