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    davidter's Avatar
    davidter Posts: 2, Reputation: 1
    New Member
     
    #1

    Sep 4, 2014, 09:33 AM
    Help solving a riddle
    You have a 4 oz glass and a 9 oz glass. You have an endless supply of water. You can fill and dump either glass, as many times as you want. What is the fewest amount of steps needed to measure 6 oz of water, using these two glasses only? Outline those steps.
    joypulv's Avatar
    joypulv Posts: 21,593, Reputation: 2941
    current pert
     
    #2

    Sep 4, 2014, 09:39 AM
    If you have a third container to put partial amounts in as you solve this, it's easy.
    If you are constrained to just two containers, it's impossible.
    (I can't stand the way teachers are so sloppy wording these puzzles.)

    So let's say you have another container.
    You fill the 9 oz glass and use it to fill the 4 oz glass. What's left in the 9 oz glass, and what's next?
    odinn7's Avatar
    odinn7 Posts: 7,691, Reputation: 1547
    Entomology Expert
     
    #3

    Sep 4, 2014, 12:22 PM
    Sounds like homework...
    hkstroud's Avatar
    hkstroud Posts: 11,929, Reputation: 899
    Home Improvement & Construction Expert
     
    #4

    Oct 13, 2014, 02:48 PM
    Glass of Water Puzzler | Car Talk

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