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14 April, 23:05

Cody is twice as old as evan and seven years ago the sum of their age was 10. find the age of each boy now.

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  1. 14 April, 23:33
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    Let Cody be x years old now. and y be Evan's age now.

    x = 2y

    x - 7 + y - 7 = 10

    x + y = 24

    Substitute for x = 2y:-

    2y + y = 24

    y = 8

    and therefore

    x = 2*8 = 16

    Answer is Cody is now 16 and Evan is 8
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