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4 September, 17:40

I phone company offers to monthly plan plan a cost $21 plus an additional $0.17 each minute of calls play B $26 in additional 0.12 $ for each minute of calls For what amount of calling do the two plans cost the same

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  1. 4 September, 17:42
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    100 minutes

    Step-by-step explanation:

    Let x = # of minutes

    Company A: y = 21 +.17x

    Company B: y = 26 +.12x

    Set the equations = to each other.

    21 +.17x = 26 +.12x

    .17x = 5 +.12x

    .05x = 5

    x = 100
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