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Posted by on Saturday, January 12, 2013 at 2:09am.

Jamia is deciding between two long-distance telephone plans:
• Plan A charges $5 per month plus 6¢/min.
• Plan B charges $20 per month plus 1¢/min.

Jamia usually makes about 200 min of long distance calls each month.
Which plan costs less? Show your calculations.

  • math - , Saturday, January 12, 2013 at 9:02am

    costA=6m+500
    costB=m+2000

    plug in m=200 and see which gives you the smaller value

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