diff --git a/index.js b/index.js
index 294f6b2..6d570ae 100644
--- a/index.js
+++ b/index.js
@@ -9,9 +9,9 @@ const s5 = "and";
 
 // Concatenate the string variables into one new string
 
-
+const tongueTwister = ["Fred ", "fed ", "Ted ", "bread ", "and ", ].join("") + [ "Ted ", "fed " , "Fred ", "bread "].join("");
 // Print out the concatenated string
-
+console.log (tongueTwister);
 
 
 
@@ -23,10 +23,21 @@ const part2 = "script";
 
 // Convert the last letter of part1 and part2 to uppercase and concatenate the strings
 
+const lastLetter1 = part1[3] . toUpperCase()
+const restLetters1 = part1 .slice(0, 3)
+const finished1 = (restLetters1 + lastLetter1)
+console.log (finished1); 
 
-// Print the cameLtaiL-formatted string
+const lastLetter2 = part2[5] . toUpperCase()
+const restLetters2 = part2 .slice(0, 5)
+const finished2 = (restLetters2 + lastLetter2);
+console.log (finished2); 
 
+const finalWord = [finished1] + [finished2];
 
+// Print the cameLtaiL-formatted string
+
+console.log (finalWord);
 
 
 /*******************************************
@@ -35,10 +46,13 @@ const part2 = "script";
 const billTotal = 84;
 
 // Calculate the tip (15% of the bill total)
+ 
+let percentageValue = 15;
+let tip = (billTotal * percentageValue) / 100;
 
 
 // Print out the tipAmount
-
+console.log (tip); //12.6//
 
 
 
@@ -47,10 +61,8 @@ const billTotal = 84;
 *******************************************/
 
 // Generate a random integer between 1 and 10 (inclusive)
-
-
-// Print the generated random number
-
+let num = Math.random(Math.random()*10) +1;
+console.log (num);
 
 
 /*******************************************
@@ -62,15 +74,17 @@ 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);
-
-const expression7 = a && a;
\ No newline at end of file
+false
+const expression7 = a && a;
+true
\ No newline at end of file