Fix syntax errors and improve function implementations in various files

Author: MattCarolus10

Sprint-3/1-key-errors/1.js

@@ -2,13 +2,13 @@
 
 // Why will an error occur when this program runs?
 // Answer below:
-// An error will occur for two reasons, first because there variable "decimalNumber" being decleared
-// The second reason is because the function "convertToPercentage" placeholder has no value when it was called 
+// A syntax error will occur for two reasons, first because there variable  const "decimalNumber" being redecleared 
+// The second reason is because the function "convertToPercentage" is not called correctly.
 
 // =============> write your prediction here: 
 // Answer below:
 // I predicted that the code will not work because of the variable (decimalNumber) inside the function,
-// Also because the console.log function is not not calling the function "convertToPercentage" with a value
+// Also because the console.log(decimalNumber) is just a name that exist inside the function
 
 
 // Try playing computer with the example to work out what is going on
@@ -22,6 +22,10 @@
 // console.log(decimalNumber);
 
 // =============> write your explanation here
+// Answer:
+
+// const decimalNumber redeclares the parameter name which causes a SyntaxError. 
+// also console.log(decimalNumber) outside fails because the parameter only exists inside the function"
 
 // Finally, correct the code to fix the problem
 // =============> write your new code here