Ben made a circular cake with a radius of 6 ½ inches. He put the cake in the center of a circular plate. Around the cake, there
are exactly 5 inches of plate showing. Ben wants to know the area of the circular plate that is showing so he can put real strawberries at the base of the cake.
What is the area of the circular plate that is showing?
To answer the problem given above, divide the difference of the prices by the original price and multiply the answer by 100%. This is, ((22450 - 19450) / 19450) x 100% = 15.42% Therefore, the percentage markup of the new car is approximately 15.42%.
