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Pre Algebra

A phone company charges $27.95 monthly fee and .12/min. for local calls. Another phone company charges $12.95 a month and .32/minute for local calls. For what number of minutes of local calls is the cost of the plans the same?

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Sondra

  1. What's the problem? Just write an expression for each company, set them equal, and solve the equation.

    company A charges 27.95 + .12m for m minutes

    company B charges 12.95 + .32m for m minutes

    27.95 + .12m = 12.95 + .32m
    15.00 = .20m
    75 = m

    check:
    27.95 + .12(75) = 36.95
    12.95 + .32(75) = 36.95

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    Steve

  2. Yes

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    Anonymous

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