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    SaDeeMae11's Avatar
    SaDeeMae11 Posts: 1, Reputation: 1
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    #1

    Dec 17, 2012, 09:31 PM
    Riddle solver
    It took 12 minutes to cut a log into 3 pieces. How many minutes will it take to cut it into 4 pieces. The answer is not 16.
    Wondergirl's Avatar
    Wondergirl Posts: 38,910, Reputation: 5431
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    #2

    Dec 17, 2012, 09:53 PM
    How many times do you cut in order to make three pieces?
    joypulv's Avatar
    joypulv Posts: 21,593, Reputation: 2941
    current pert
     
    #3

    Dec 18, 2012, 03:10 AM
    This is a variation on what is called the fence post problem. If you are building a 100' fence with posts 5' apart, you have 20 spaces but 21 posts.
    Sort of conversely with this problem, you have 3 pieces but only made 2 cuts. So how long did each of those take?
    Silver Lining's Avatar
    Silver Lining Posts: 374, Reputation: 36
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    #4

    Dec 18, 2012, 03:35 AM
    answer is 18...

    took u 12 minutes to make 2 cuts (3 pieces)
    so, for 3 cuts (4 pieces) the solutions is (3*12)/2 = 18 minutes,,

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