Question

What's the cost of mailing a package that weight 3 pounds 5 ounces if the cost is

$2.5 plus $0.5 for each ounce over 8 ounces?

Answer 1

$30.5

Explanation:

56 ounces (3 pounds and 8 ounces since 1 pound = 8 ounces) x 0.5 = 28

28 + 2.5 = 30.5