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27 June, 16:21

Chris is five times as old as Zac. in thirty years chris will be twice zac's age. how old is zac now?

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  1. 27 June, 16:24
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    Zac's age=x

    Chris's age=5x

    After 30 years

    Zac's age=x+30

    Chris's age = 5x+30=2 (x+30)

    5x+30=2x+60

    5x-2x=60-30

    3x=30

    x=10
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