The School Cafeteria Is Ready to Serve Two Kinds of Sandwiches

Essay

The school cafeteria is ready to serve two kinds of sandwiches, roast beef and peanut butter, and two kinds of pizza, cheese and vegetarian. There are 60 servings of pizza prepared. There are eight fewer roast beef sandwiches prepared than there are servings of cheese pizza. There are six more peanut butter sandwiches prepared than there are servings of vegetarian pizza. Altogether, how many servings of sandwiches are prepared?
A) List eight quantities involved in this problem.
B) Sketch a diagram to show the relevant sums and differences in this situation.
C) Solve the problem.