Fix redeclaration and return value in convertToPercentage

Refactor convertToPercentage function to avoid redeclaration and return correct percentage.

Author: Yonatanteklemariam

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

@@ -5,28 +5,23 @@
 
 // Try playing computer with the example to work out what is going on
 
-
 function convertToPercentage(decimalNumber) {
-  return `${decimalNumber * 100}%`;
-}
-
-console.log(convertToPercentage(0.1));
+  const decimalNumber = 0.5;
+  const percentage = `${decimalNumber * 100}%`;
 
+  return percentage;
+}
 
 console.log(decimalNumber);
 // =============> it says decimalNumber has aleady been declared for the above reason.
 
 
 // Finally, correct the code to fix the problem
 /* ===========> function convertToPercentage(decimalNumber) {
-  let decimalNum = 0.5;
-  const percentage = `${decimalNum * 100}%`;
-
-
-  return percentage;
+  const result = `${decimalNumber * 100}%`;
+  return result;
 }
-const result = convertToPercentage();
-console.log(result);
+console.log(convertToPercentage(0.1));
 */