diff --git a/explicit-and-implicit-conversion-in-javascript.js b/explicit-and-implicit-conversion-in-javascript.js
index ede0ccd..60403bb 100644
--- a/explicit-and-implicit-conversion-in-javascript.js
+++ b/explicit-and-implicit-conversion-in-javascript.js
@@ -22,11 +22,35 @@ Use console.log() to clearly show the before-and-after type conversions.
 let result = "5" - 2;
 console.log("The result is: " + result);
 
-let isValid = Boolean("false");
+let isValid = Boolean(""); //assuming "false" is desired, removing the word "false" and leaving the string empty makes it falsy
 if (isValid) {
     console.log("This is valid!");
 }
 
 let age = "25";
+age = Number(age); //this step converts the string "25" to a number
 let totalAge = age + 5;
 console.log("Total Age: " + totalAge);
+
+
+let width; //undefined
+console.log("width is a " + typeof width);
+
+width = 0.5; //initializes width and implicitly converts to a Number (float)
+console.log("width is a " + typeof width);
+
+let length = 3;
+let depth = "0.75";
+console.log("depth is a " + typeof depth);
+
+let feet = "true";
+console.log("feet is a " + typeof feet);
+
+feet = Boolean(feet); //explicit conversion of feet
+console.log("feet is " + typeof feet + "and is " + feet);
+
+if (feet) {
+  console.log("Total board feet is ", (width * length * depth) / 12); //implicit conversion of depth 
+} else {
+  console.log("Total board feet is ", (width * length * depth) / 144); //implicit conversion of depth 
+}