Answering the task

Author: HANISADAH

Sprint-2/1-key-errors/1.js

@@ -1,20 +1,32 @@
 // Predict and explain first...
 
 // Why will an error occur when this program runs?
-// =============> write your prediction here
+// =============> I believe that the function converToPercentage is not mentioned in the console.log statement.
+// Declaring the const decimalNumber is unnecessary as it is already declared as a parameter within the function convertToPercentage.
 
 // Try playing computer with the example to work out what is going on
 
-function convertToPercentage(decimalNumber) {
-  const decimalNumber = 0.5;
-  const percentage = `${decimalNumber * 100}%`;
+// function convertToPercentage(decimalNumber) {
+  // const decimalNumber = 0.5;
+  // const percentage = `${decimalNumber * 100}%`;
 
-  return percentage;
+  // return percentage;
 }
 
-console.log(decimalNumber);
+// console.log(decimalNumber);
 
-// =============> write your explanation here
+// =============> A syntaxError occurred saying decimalNumber is already declared.
 
 // Finally, correct the code to fix the problem
 // =============> write your new code here
+
+function convertToPercentage() {
+  const decimalNumber = 0.5;
+  const percentage = `${decimalNumber * 100}%`;
+
+  return percentage;
+}
+
+console.log(convertToPercentage());
+
+// the new code runs without error and outputs "50%"