Charlene's long distance telephone service charges $7.50 per month plus $0.12 for each minute. Her bill last month was $13.02. W
hat equation represents the amount of her last bill, and how many minutes did Charlene use last month? A.
7.50 + $0.24m = 13.02; m = 101 minutes
B.
7.50 - $0.12m = 13.02; m = 66 minutes
C.
7.50 + $0.12m = 13.02; m = 46 minutes
D.
7.50 - $0.24m = 13.02; m = 171 minutes