diff --git a/README.md b/README.md
index 82e02be..d78867a 100644
--- a/README.md
+++ b/README.md
@@ -23,7 +23,6 @@
 
 
   <br>
-
   <hr> 
 
 
diff --git a/index.js b/index.js
index 294f6b2..e297819 100644
--- a/index.js
+++ b/index.js
@@ -9,6 +9,10 @@ const s5 = "and";
 
 // Concatenate the string variables into one new string
 
+let tongueTwister = `${s1} ${s2} ${s3} ${s4} ${s5} ${s3} ${s2} ${s1} ${s4}`
+
+console.log(tongueTwister)
+
 
 // Print out the concatenated string
 
@@ -23,9 +27,13 @@ const part2 = "script";
 
 // Convert the last letter of part1 and part2 to uppercase and concatenate the strings
 
+const result = `${part1.slice(0,part1.length-1)}${part1[part1.length-1].toUpperCase()}${part2.slice(0,part2.length-1)}${part2[part2.length-1].toUpperCase()}`
+
+
 
 // Print the cameLtaiL-formatted string
 
+console.log(result)
 
 
 
@@ -36,9 +44,12 @@ const billTotal = 84;
 
 // Calculate the tip (15% of the bill total)
 
+let tipAmount = (billTotal / 100) * 15
 
 // Print out the tipAmount
 
+console.log(tipAmount)
+
 
 
 
@@ -48,10 +59,11 @@ const billTotal = 84;
 
 // Generate a random integer between 1 and 10 (inclusive)
 
+let randomNumber = Math.ceil(Math.random() * 10)
 
 // Print the generated random number
 
-
+console.log(randomNumber)
 
 /*******************************************
     Iteration 3.1 | Booleans
@@ -61,16 +73,24 @@ 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; //false
+
+const expression2 = a || b; //true
 
-const expression2 = a || b;
+const expression3 = !a && b; //false
 
-const expression3 = !a && b;
+const expression4 = !(a && b); //true
 
-const expression4 = !(a && b);
+const expression5 = !a || !b; //true
 
-const expression5 = !a || !b;
+const expression6 = !(a || b); //false
 
-const expression6 = !(a || b);
+const expression7 = a && a; //true
 
-const expression7 = a && a;
\ No newline at end of file
+console.log(`my answer is: false and the expression is: ${expression1}`)
+console.log(`my answer is: true and the expression is: ${expression2}`)
+console.log(`my answer is: false and the expression is: ${expression3}`)
+console.log(`my answer is: true and the expression is: ${expression4}`)
+console.log(`my answer is: true and the expression is: ${expression5}`)
+console.log(`my answer is: false and the expression is: ${expression6}`)
+console.log(`my answer is: true and the expression is: ${expression7}`)
\ No newline at end of file