To raise money for charity, your class holds a car wash. you pay $15 for washing materials and collect $128 in donations. can you say you raised $128 for charity? explain

Arestaurant offers delivery for their pizzas. the total cost the customer pays is the price of the pizzas, plus a delivery fee. one customer pays $23 to have 2 pizzas delivered. another customer pays $59 for 6 pizzas. how many pizzas are delivered to a customer who pays $86?