diff --git a/index.js b/index.js
index 294f6b2..06c94e4 100644
--- a/index.js
+++ b/index.js
@@ -9,11 +9,10 @@ const s5 = "and";
 
 // Concatenate the string variables into one new string
 
+const tongueTwister = `${s1} ${s2} ${s3} ${s4} ${s5} ${s3} ${s2} ${s1} ${s4}`
 
 // Print out the concatenated string
-
-
-
+console.log(tongueTwister)
 
 /*******************************************
     Iteration 1.2 | Camel Tail
@@ -22,13 +21,24 @@ const part1 = "java";
 const part2 = "script";
 
 // Convert the last letter of part1 and part2 to uppercase and concatenate the strings
+let upperA = part1[part1.length-1].toUpperCase();
+let resultA = part1.slice(0,3)+upperA;
 
 
-// Print the cameLtaiL-formatted string
+let upperT = part2[part2.length-1].toUpperCase();
+let resultT = part2.slice(0,5)+upperT;
+
+let result = resultA+resultT
+
 
 
 
 
+// Print the cameLtaiL-formatted string
+
+
+console.log(result)
+
 /*******************************************
     Iteration 2.1 | Calculate Tip
 *******************************************/
@@ -36,10 +46,11 @@ const billTotal = 84;
 
 // Calculate the tip (15% of the bill total)
 
+let tipAmount = billTotal*(15/100)
 
 // Print out the tipAmount
 
-
+console.log(tipAmount)
 
 
 /*******************************************
@@ -49,8 +60,10 @@ const billTotal = 84;
 // Generate a random integer between 1 and 10 (inclusive)
 
 
+let randomNumber = Math.random(1,10)*10
 // Print the generated random number
 
+console.log(randomNumber)
 
 
 /*******************************************
@@ -62,15 +75,23 @@ const b = false;
 
 // Try and guess the output of the below expressions first and write your answers down:
 const expression1 = a && b;
+//false
 
 const expression2 = a || b;
+//true
 
 const expression3 = !a && b;
+//false
 
 const expression4 = !(a && b);
+//true
 
 const expression5 = !a || !b;
+//true
+
 
 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