exercise 3 solution mandatory-implement

Author: ldfajardo10-tech

Sprint-2/3-mandatory-implement/3-to-pounds.js

@@ -4,3 +4,28 @@
 // You will need to declare a function called toPounds with an appropriately named parameter.
 
 // You should call this function a number of times to check it works for different inputs
+
+function toPounds(penceString) {
+    const penceStringWithoutTrailingP = penceString.substring(
+      0,
+      penceString.length - 1
+    );
+
+    const paddedPenceNumberString = penceStringWithoutTrailingP.padStart(
+      3,
+      "0"
+    );
+    const pounds = paddedPenceNumberString.substring(
+      0,
+      paddedPenceNumberString.length - 2
+    );
+    
+    const pence = paddedPenceNumberString
+      .substring(paddedPenceNumberString.length - 2)
+      .padEnd(2, "0");
+
+    return `£${pounds}.${pence}`;  
+}
+
+console.log(toPounds("399p"));
+console.log(toPounds("585p"));