Question

Riley and her roommate use the company Webmax for their Internet service. Webmax charges $0.03 per minute, plus a monthly flat fee for a modem. Last month for their total bill, Riley paid $31 and her roommate paid $20. If they used the Internet 1300 minutes, how much must the modem cost per month?

Answer 1

cost of modem per month should be $12

Answer 2

cost of modem per month is 12 i think