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21 July, 00:16

A computer repairman charges an initial fee of $100 plus an hourly fee of $75.

Mr. Billings paid the repairman $475. How many hours did the repairman work?

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  1. 21 July, 00:44
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    475 - 100 = 75x

    Subtract 100 from the 475

    375 = 75x

    Divide both side w 75. The 75 on the X side cancels out

    375 / 75 = 5

    X = 5
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