Answered

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 :

Answer:

12

Step-by-step explanation:

31+20=.03(m)

51=39

51-39=12

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