diff --git a/index.js b/index.js
index 294f6b2..bc18b17 100644
--- a/index.js
+++ b/index.js
@@ -7,10 +7,15 @@ 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);
+
+
+
 
 
 
@@ -21,10 +26,18 @@ const s5 = "and";
 const part1 = "java";
 const part2 = "script";
 
-// Convert the last letter of part1 and part2 to uppercase and concatenate the strings
 
+const part1 = "java";
+const part2 = "script";
+
+
+function lastLetterUpper(str) {
+  return str.slice(0, -1) + str.slice(-1).toUpperCase();
 
-// Print the cameLtaiL-formatted string
+
+const result = lastLetterUpper(part1) + lastLetterUpper(part2);
+
+console.log(result);
 
 
 
@@ -34,10 +47,13 @@ const part2 = "script";
 *******************************************/
 const billTotal = 84;
 
-// Calculate the tip (15% of the bill total)
+const billTotal = 84;
+
+const tipAmount = billTotal * 0.15;
+
 
+console.log(tipAmount);
 
-// Print out the tipAmount
 
 
 
@@ -46,11 +62,10 @@ 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;
 
 
-// Print the generated random number
-
+console.log(randomNumber);
 
 
 /*******************************************
@@ -60,7 +75,7 @@ const billTotal = 84;
 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;
@@ -73,4 +88,13 @@ const expression5 = !a || !b;
 
 const expression6 = !(a || b);
 
-const expression7 = a && a;
\ No newline at end of file
+const expression7 = a && a;
+
+
+console.log(expression1); // false
+console.log(expression2); // true
+console.log(expression3); // false
+console.log(expression4); // true
+console.log(expression5); // true
+console.log(expression6); // false
+console.log(expression7); // true
\ No newline at end of file