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10 May, 00:34

Bob is three times as old as Peter. If the sum of their ages is 56, how old is Bob?

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  1. 10 May, 00:38
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    Let x=peter's age

    let 3x=bob's age

    3x+x=56

    4x=56

    x=14

    3 (14) = 42

    Bob is 42 years old.
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