500
Jim is throwing a homecoming party for the sophomore class. He ordered 100 pizzas for a total of $1225. Cheese pizzas cost $11.50 each, and pepperoni pizzas cost $13.00 each. Which of the following systems of linear equations can be used to determine c, the number of cheese pizzas Jim ordered, and p, the number of pepperoni pizzas Jim ordered?
What is c + p = 100 and 11.50c + 13p = 1225?