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7 August, 23:47

David Is 3 Years Old Than Triple Marie's Age. The Difference Of Their Ages Is 37. What Is The Sum Of Their Ages?

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  1. 8 August, 00:03
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    x = Marie's age

    x + 3: David's age

    x + x + 3 = 37

    2x + 3 = 37

    2x = 34

    x = 17

    x + 3 = 20

    Marie is 17

    Davis is 20
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