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substraction

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jaijune Just gettin' started!
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substraction Post Sat Apr 07, 2012 8:44 am
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  • Lap #[LAPCOUNT] ([LAPTIME])
    Dear All,
    How to solve the below problem.

    Substract 27 5/4 from 43 1/6

    A)15
    B)15 5/84
    C)15 8/24
    D)15 15/20
    E)15 17/21

    Thanks in advance.

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    Bill@VeritasPrep GMAT Instructor
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    Post Sat Apr 07, 2012 9:20 am
    Is the first number supposed to be 27 4/5?

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    ronnie1985 GMAT Destroyer!
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    Post Sat Apr 07, 2012 9:28 am
    43 1/6 = 41 13/6
    27 5/4 = 27 5/4
    Subtract = (41-27) + (13/6-5/4) = 14 + (26-15)/12 = 14 11/12
    Something wrong in the question.

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    jaijune Just gettin' started!
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    Post Sat Apr 07, 2012 9:31 am
    Bill@VeritasPrep wrote:
    Is the first number supposed to be 27 4/5?
    43 1/6 is the first number.

    Thank you

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    Bill@VeritasPrep GMAT Instructor
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    Post Sat Apr 07, 2012 9:34 am
    This is what I meant:

    Quote:
    Substract 27 5/4 from 43 1/6
    None of those answers are possible with 27 5/4.

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