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Math Help - Easy word problem

  1. #1
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    Easy word problem

    4/7 of the birthday cake was eaten on your
    birthday. The next day your dad ate 1/2 of what
    was left. You get to finish the cake, how much is
    left?
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  2. #2
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    Quote Originally Posted by supermerlin1234 View Post
    4/7 of the birthday cake was eaten on your
    birthday. The next day your dad ate 1/2 of what
    was left. You get to finish the cake, how much is
    left?
    Before or after I eat the remainder?
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  3. #3
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    I don't know.
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  4. #4
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    Quote Originally Posted by supermerlin1234 View Post
    4/7 of the birthday cake was eaten on your
    birthday. The next day your dad ate 1/2 of what
    was left. You get to finish the cake, how much is
    left?
    Let the initial amount of cake be M. Then there's 3M/7 cake left after the birthday, Dad eats half of this, that is, 3M/14. So there's 3M/14 cake left.

    So there's 3/14 of the cake left.
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