diff --git a/index.js b/index.js
index 294f6b2..407cc67 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
-
+let tongueTwister = s1 + " " + s2 + " " + s3 + " " + s4 + " " + s5
+                    + " " + s3 + " " + s2 + " " + s1 + " " + s4
 
 // Print out the concatenated string
 
-
+console.log(tongueTwister)
 
 
 /*******************************************
@@ -22,9 +23,11 @@ const part1 = "java";
 const part2 = "script";
 
 // Convert the last letter of part1 and part2 to uppercase and concatenate the strings
-
+let cameLtaiL  = part1.slice(0,3) + part1.slice(3).toUpperCase() 
+            + part2.slice(0,5) + part2.slice(5).toUpperCase() 
 
 // Print the cameLtaiL-formatted string
+console.log(cameLtaiL)
 
 
 
@@ -35,10 +38,10 @@ const part2 = "script";
 const billTotal = 84;
 
 // Calculate the tip (15% of the bill total)
-
+let tipAmount = 0.15 * billTotal
 
 // Print out the tipAmount
-
+console.log(tipAmount)
 
 
 
@@ -46,11 +49,11 @@ const billTotal = 84;
     Iteration 2.2 | Generate Random Number
 *******************************************/
 
-// Generate a random integer between 1 and 10 (inclusive)
-
+// Return a random integer between 1 and 10 (both included):
+let randomNumber = Math.floor(Math.random() * 10) + 1;
 
 // Print the generated random number
-
+console.log(randomNumber)
 
 
 /*******************************************
@@ -61,16 +64,23 @@ 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 expression1 = a && b; 
+// expression1 = false
 
-const expression2 = a || b;
+const expression2 = a || b; 
+// expression2 = true
 
 const expression3 = !a && b;
+// expression3 = false
 
 const expression4 = !(a && b);
+// expression4 = true
 
 const expression5 = !a || !b;
+// expression5 = true
 
 const expression6 = !(a || b);
+// expression6 = false
 
-const expression7 = a && a;
\ No newline at end of file
+const expression7 = a && a;
+// expression7 = true
\ No newline at end of file