Question

Ou are mailing a package that weighs 5 pounds, and sending it first class. The post office charges $0.44 for the first ounce, and charges $0.20 for each additional ounce. How much is the total cost to mail this package?

Answer 1

5 pounds= 80 ounces
total cost= ($0.44×1)+($0.20×79)=$16.24