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22 September, 19:21

A moving company charges 800$ plus 16$ per hour another moving company charges 720$ plus 21$ per hour how long is a job that costs the same no matter which company is used

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  1. 22 September, 19:24
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    Equate the two moving rates:

    x = hours

    800 + 16x = 720 + 21x

    *subtract 16x from both sides

    800 = 720 + 5x

    *subtract 720 from both sides

    80 = 5x

    *divide each side by 5

    x = 16 hours
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