A school cafeteria can make pizza for approximately $0.40 per slice. The cost of the kitchen use and cafeteria staff runs about $200.00 per day. The Pizza Den nearby will deliver whole pizzas for $11.00 each. The cafeteria staff cuts their pizza into eight (8) pieces and serves them in the usual cafeteria line. With no cooking duties, the staff can be reduced by half, for a fixed cost of $79.00 per day.

Should the school cafeteria make or buy pizzas. Show your calculations and to justify your answer, what decision can you make with the quantitative information you calculated? .. unit of measure is critical. Hint: Graph help to explain.