diff --git a/index.js b/index.js
index 294f6b2..f595176 100644
--- a/index.js
+++ b/index.js
@@ -8,11 +8,12 @@ const s4 = "bread";
 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);
 
 
 /*******************************************
@@ -22,10 +23,26 @@ const part1 = "java";
 const part2 = "script";
 
 // Convert the last letter of part1 and part2 to uppercase and concatenate the strings
+let firstpart = part1.slice(0,-1);
+
+let lastpart = part1.slice(-1);
+
+console.log(firstpart);
+console.log(lastpart.toUpperCase());
+
+console.log(firstpart + lastpart.toUpperCase());
+
+let firstword = part2.slice(0,-1);
+
+let lastword = part2.slice(-1);
 
+console.log(firstword);
+console.log(lastword.toUpperCase());
+console.log(firstword + lastword.toUpperCase());
 
 // Print the cameLtaiL-formatted string
 
+console.log((firstpart + lastpart.toUpperCase()) + (firstword + lastword.toUpperCase()));
 
 
 
@@ -35,11 +52,12 @@ const part2 = "script";
 const billTotal = 84;
 
 // Calculate the tip (15% of the bill total)
-
+let tipAmount_percent = 15;
+let tipAmount = (84/100) * tipAmount_percent;
 
 // Print out the tipAmount
 
-
+console.log(tipAmount);
 
 
 /*******************************************
@@ -47,11 +65,11 @@ const billTotal = 84;
 *******************************************/
 
 // Generate a random integer between 1 and 10 (inclusive)
-
+let randomNumber = Math.trunc(Math.random() * 10);
 
 // Print the generated random number
 
-
+console.log(randomNumber);
 
 /*******************************************
     Iteration 3.1 | Booleans
@@ -73,4 +91,12 @@ 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);
+console.log(expression2);
+console.log(expression3);
+console.log(expression4);
+console.log(expression5);
+console.log(expression6);
+console.log(expression7);
\ No newline at end of file