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Math Help - Non-linear equation and inequality

  1. #1
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    Post Non-linear equation and inequality

    The time required to travel from Bozeman to Butte , a distance of 180 kilometers , was 1 hour more than the time required to make return trip . The rate going to butte was 15 kilometers per hour slower than the rate returning . Find the rate on the return trip .
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  2. #2
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    Quote Originally Posted by hoanghai549 View Post
    The time required to travel from Bozeman to Butte , a distance of 180 kilometers , was 1 hour more than the time required to make return trip . The rate going to butte was 15 kilometers per hour slower than the rate returning . Find the rate on the return trip .
    going ... (v - 15)(t + 1) = 180

    returning ... vt = 180

    solve for v
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