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Math Help - Ratio wrod problem

  1. #1
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    Question Ratio wrod problem

    A,B and C shared a sum of money in the ratio 2:3:11

    1)If B received $2.50 more than A, how much is the sum of money ? (Here is the question asking for the total money shared between the three or the money shared between A and B ?)

    2)C gave $5 to A , find the ratio of A's share to B's share
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  2. #2
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    Re: Ratio wrod problem

    Quote Originally Posted by haftakhan View Post
    A,B and C shared a sum of money in the ratio 2:3:11

    1)If B received $2.50 more than A, how much is the sum of money ? (Here is the question asking for the total money shared between the three or the money shared between A and B ?)

    2)C gave $5 to A , find the ratio of A's share to B's share
    1. You already know:

    \frac AB = \frac23 ... and ... B = A+2.5

    That means: \frac A{A+\frac52}=\frac23~\implies~A=5

    2. Consequently B = 7.5 and C = 27.5

    3. If A = 10 then the ratio \frac AB = \frac{10}{7.5} = \frac43
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