diff --git a/index.js b/index.js
index 294f6b2..9406de4 100644
--- a/index.js
+++ b/index.js
@@ -7,37 +7,33 @@ const s3 = "Ted";
 const s4 = "bread";
 const s5 = "and";
 
-// Concatenate the string variables into one new string
-
-
-// Print out the concatenated string
-
+const tongueTwister = s1 + " " + s2 + " " + s3 + " " + s4 + " " + s5 + " " + s3 + " " + s2 + " " + s1 + " " + s4;
+console.log (tongueTwister);
 
 
 
 /*******************************************
     Iteration 1.2 | Camel Tail
 *******************************************/
+
 const part1 = "java";
 const part2 = "script";
 
-// Convert the last letter of part1 and part2 to uppercase and concatenate the strings
-
-
-// Print the cameLtaiL-formatted string
+const cameLtaiLPart1 = part1.slice(0,-1) + part1.slice(-1).toUpperCase();
+const cameLtaiLPart2 = part2.slice(0,-1) + part2.slice(-1).toUpperCase();
 
+const result = cameLtaiLPart1 + cameLtaiLPart2
+console.log(result);
 
 
 
 /*******************************************
     Iteration 2.1 | Calculate Tip
 *******************************************/
-const billTotal = 84;
-
-// Calculate the tip (15% of the bill total)
-
 
-// Print out the tipAmount
+const billTotal = 84;
+const tipAmount = billTotal * 0.15
+console.log(tipAmount);
 
 
 
@@ -46,10 +42,10 @@ const billTotal = 84;
     Iteration 2.2 | Generate Random Number
 *******************************************/
 
-// Generate a random integer between 1 and 10 (inclusive)
+const randomNumber = Math.floor (Math.random()*10 ) +1 ;
+console.log (randomNumber);
 
 
-// Print the generated random number
 
 
 
@@ -61,16 +57,17 @@ const a = true;
 const b = false;
 
 // Try and guess the output of the below expressions first and write your answers down:
-const expression1 = a && b;
 
-const expression2 = a || b;
+const expression1 = a && b; //false
+
+const expression2 = a || b; // true
 
-const expression3 = !a && b;
+const expression3 = !a && b; //false
 
-const expression4 = !(a && b);
+const expression4 = !(a && b); // true
 
-const expression5 = !a || !b;
+const expression5 = !a || !b; //true
 
-const expression6 = !(a || b);
+const expression6 = !(a || b); //false
 
-const expression7 = a && a;
\ No newline at end of file
+const expression7 = a && a; //true
\ No newline at end of file