Joe spent $15.75 on 21 pieces of fruit to make a salad. Bananas cost $.50 each, oranges cost$.75 each, and
papayas cost $1.25 each. Joe used twice as many oranges
as bananas. How many of each fruit did he buy?

Arestaurant charges $100 to rent its banquet room for an event. it also charges $15 to serve dinner to each guest. write an equation for the total cost of the banquet room in terms of the number of guests. deine your variables. what is the total cost of the banquet room for 20 guests?