A pizza shop delivered 9 pepperoni pizzas to a college on the first night of final exams. The total cost of the pizzas was $70. A small pizza costs $ 4 and contains 2 ounces of pepperoni. A medium pizza costs $ 8 and contains 4 ounces of pepperoni. A large pizza costs $ 14 and contains 12 ounces of pepperoni. The owner of the pizza shop used 3 pounds 2 ounces of pepperoni in making the 9 pizzas. How many pizzas of each size were delivered to the college?

1. The number of small pizzas delivered was ???