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31 August, 02:26

Steve is 5 times as old as Janis. In 12 years, he will be twice as old as she will be then. How old are they now?

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  1. 31 August, 02:34
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    Write this story as equations:

    s = 5j

    (s+12) = 2 * (j+12)

    Then solve:

    5j+12 = 2j + 24 = > 3j = 12 = > j=4, s=5*4=20

    Steve is 20, Janis is 4

    In 12 years they will be 32 and 16
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