Contemporary Mathematics for Business and Consumers 7th Edition by Robert Brechner ,George Bergeman

Exercise 27

Midtown Market received the following items at a discount of 25/20/10: 18 cases of canned peaches listing at $26.80 per case and 45 cases of canned pears listing at $22.50 per case.
a. What is the total list price of this order?
b. What is the amount of the trade discount?
c. What is the net price of the order?