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John is 6 years older than Keisha. Together their ages equal four times Keisha's age. How old is each?

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  1. 27 July, 23:54
    0
    John is 9

    Keisha is 3

    use variable for the problem
  2. 27 July, 23:55
    0
    J = K+6

    K + J = 4K

    Replace J in the second equation

    K + (K + 6) = 4K

    K + K + 6 = 4K

    2K + 6 = 4K

    Subtract 2K from each side

    6 = 2K

    Divide both sides by 2

    K=3

    So, Keisha is 3 and therefore John is 9 because 3 + 6=9
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