20 April, 02:22
If postage costs $.54 the 1st ounce and $.22 for each additional ounce calculate the cost of mailing a 10 ounce envelope.
20 April, 03:14
0.54 + (0.22*9) is equal to 2.52
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» If postage costs $.54 the 1st ounce and $.22 for each additional ounce calculate the cost of mailing a 10 ounce envelope. A. $5.40 B. $2.20 C. $5.08 D. $2.52