Ricky's Pizza Parlor has three different sizes of pizza: a large (15 in. round), a medium (13 in round), and a small (10 in. round). A single-topping large pizza sells for $18. A single-topic medium pizza sells for $15 and a single-topping small pizza sells for $12. Which pizza is the best buy?

Question

Ricky's Pizza Parlor has three different sizes of pizza: a large (15 in. round), a medium (13 in round), and a small (10 in. round).  A single-topping large pizza sells for $18.  A single-topic medium pizza sells for $15 and a single-topping small pizza sells for $12.  Which pizza is the best buy?

Ms. Sue · Answer

Find the area of each pizza. A = pi * r^2 Divide the price by the area of each one to find the best buy.