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24 February, 23:25

A kayaker travels x miles per hour downstream for 3 hours. on the 4-hour return trip, the kayaker travels 1 mile per hour slower. how far did the kayaker travel in total?

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  1. 25 February, 01:17
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    3x is the miles from downstream

    4 (x - 1) is the return trip

    Solution:

    3x = 4 (x - 1)

    3x = 4x - 4

    -x = - 4

    x = 4

    The outward journey 3x = 12 miles

    Return journey is same length

    Therefore the distance travel is 24 miles
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