Cougar Pizza Parlor has just opened up across the street. You are thinking of inviting some friends over for pizza and ordering from Cougar's. You want to get the most pizza for the money. The menu shows the following prices.

Question

Cougar Pizza Parlor has just opened up across the street. You are thinking of inviting some friends over for pizza and ordering from Cougar's. You want to get the most pizza for the money. The menu shows the following prices. 
6- inch round pizza....$7.50
12- inch round pizza.....$12.00
18- inch round pizza.....$16.00
How many 6 inch pizzas have the same amount of pizza as one 12 inch pizza? How many 6 inch pizzas have the same amount of pizza as one 18 inch pizza?

Ms. Sue · Answer

You need to find the areas of each of these pizzas. A = pi * r^2 A = 3.14 * 3^2 A = 3.14 * 9 A = 28.26 square inches for the 6-inch pizza Figure the areas of the others the same way.