Algebra

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You are choosing between two long distance telephone plans. One plan has a monthly fee of $15 with a charge of $.05 per minute. The other plans has a monthly fee of $5 with a charge of $.07 per minute. For how many minutes of long-distance calls with the cost for the two plans be the same?

  • Algebra -

    solve 15 + .05t = 5 + .07t
    I suggest multiplying each term by 100 and then it becomes easy.

  • Algebra -

    500

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