Question

f postage costs $.54 for the first ounce and $.22 for each additional ounce, calculate the cost of mailing a 10-ounce envelope. A. $5.40 B. $2.52 C. $2.20 D. $5.08

Answer 1

First ounce = $0.54
The rest of the ounces [10 - 1 = 9] = $0.22 × 9

0.54 + 0.22 × 9 = 2.52

So, B).
Hopefully this helps you