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Math Help - clock watch

  1. #1
    shiva
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    clock watch

    I went out between 2 and 3 and returning home between 7 and 8 found that the hands had exactly changed places Find the time of my depature.
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  2. #2
    Site Founder Math Help's Avatar
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    Quote Originally Posted by shiva
    I went out between 2 and 3 and returning home between 7 and 8 found that the hands had exactly changed places Find the time of my depature.
    You can set up two simultaneous equations:

    you left at 2:xx and returned at 7:yy

    (xx/60) * 5 = yy-10

    (yy/60) * 5 = xx-35
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