diff --git a/index.js b/index.js
index 294f6b2..f7ec7a8 100644
--- a/index.js
+++ b/index.js
@@ -8,10 +8,10 @@ const s4 = "bread";
 const s5 = "and";
 
 // Concatenate the string variables into one new string
-
+const tongueTwister = `${s1} ${s2} ${s3} ${s4} ${s5}`
 
 // Print out the concatenated string
-
+console.log(tongueTwister)
 
 
 
@@ -22,10 +22,11 @@ const part1 = "java";
 const part2 = "script";
 
 // Convert the last letter of part1 and part2 to uppercase and concatenate the strings
-
-
+const newPart1 = part1.slice(0, -1) + part1.slice(-1).toUpperCase();
+const newPart2 =  part2.slice(0, -1)+ part2.slice(-1).toUpperCase();
 // Print the cameLtaiL-formatted string
-
+const nameTogether = newPart1+ newPart2;
+console.log(nameTogether)
 
 
 
@@ -35,10 +36,9 @@ const part2 = "script";
 const billTotal = 84;
 
 // Calculate the tip (15% of the bill total)
-
-
+const tipAmount = +((billTotal * 15) /100).toFixed(2)
 // Print out the tipAmount
-
+console.log(tipAmount)
 
 
 
@@ -48,9 +48,9 @@ const billTotal = 84;
 
 // Generate a random integer between 1 and 10 (inclusive)
 
-
+const randomBetween1And10 = Math.floor(Math.random()*10)+1
 // Print the generated random number
-
+console.log(randomBetween1And10)
 
 
 /*******************************************
@@ -61,16 +61,16 @@ 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;
+const expression2 = a || b;         // true
 
-const expression3 = !a && b;
+const expression3 = !a && b;        // true  >false
 
-const expression4 = !(a && b);
+const expression4 = !(a && b);      //true
 
-const expression5 = !a || !b;
+const expression5 = !a || !b;       // false  > true
 
-const expression6 = !(a || b);
+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