Question

Mr. Smith'a cell phone service cost $60 per month plus $0.10 for each minute (m) of long-distance calls. His bills for September was $85. How many long distances minutes did he use?

Answer 1

85 - 60 = $25 from fees
25 / .10 = 250 minutes
He used 250 long distance minutes in September

Answer 2

You start with $85-$60 which is just subtracting the monthly bill, that equals $25. Then you would divide $25 by the amount for each minute ($0.10), that equals 250. Therefore he made 250 long distance calls.