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Math Help - Calculating Ratios Problem

  1. #1
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    Calculating Ratios Problem

    I was having difficulty with the following standardized test question:
    If the ratio of boys to girls in a class is 5 to 3 which of the following could not be the no. of students in the class
    Answers: a)32 b)36 c)40 d)48 e)56

    The answer is 36 but i cant figure out how that is the answer ?
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  2. #2
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    Re: Calculating Ratios Problem

    Quote Originally Posted by MikeNoob View Post
    I was having difficulty with the following standardized test question:

    Answers: a)32 b)36 c)40 d)48 e)56

    The answer is 36 but i cant figure out how that is the answer ?
    the number of students in the class would have to be a multiple of 8 ... now, why?
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  3. #3
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    Re: Calculating Ratios Problem

    So Boys+girls = 8 . Exactly. Thanks.
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  4. #4
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    Re: Calculating Ratios Problem

    Quote Originally Posted by MikeNoob View Post
    So Boys+girls = 8 . Exactly. Thanks.
    boys+girls = 8x
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