A pizza shop delivered 17 pepperoni pizzas to a college on the first night of final exams. the total cost of the pizzas was &153. A small pizza cost four dollars and contains 3 ounces of pepperoni. A medium pizza cost six dollars and contains 9 ounces of pepperoni. A large pizza cost $15 and contains 14 ounces of pepperoni. The owner of the Pizza shop used 9 pounds in 8 ounces of pepperoni in making the 17 pizzas. how many pieces of each size were delivered to college?