Noah wants to buy a puppy for $499. When he goes and buy it, the price has increased to $599. Find the percent markup in the price of the puppy

Given situation: Noah wants to buy a puppy for $499. Now, When he goes and buy it, the price has increased to $599. Let's Find the percent markup in the price of the puppy.=> 599 dollars = the newes price of the puppy=> 499 dollars = the price that Noah thought to buy. Solutions:=> 599 - 499 = 100 dollarsIt marked up to 100 dollars, let's solve for the percentage of 100 dollars maked up.=> 100 dollars / 499 dollars = 0.20Convert this to percent=> 0.20 * 100% = 20%