Given problem : You increased form 5 dollars to 8 dollars. Find the percentage increase of this given number. => Original number = 5 dollars => Increased number = 8 Dollars. First, let’s find how much did it increased => 8 – 5 = 3 – thus it increased 3 dollars which is more than 50% Let’s start solving to get the percentage. => 3 / 5 = 0.6 * 100 = 60% Thus, it increased for 60%. Lets check if we have the correct answer. => 5 * .6 = 3.