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March 25, 2017

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Max is 5 years younger than Michael . 4 years ago the sum of their ages was 25. How old are they ?

  • math - ,

    present age:
    michael ---- x
    max ------- x-5

    4 years ago:
    michael ---- x-4
    max ------- x - 9

    x-4 + x-9 = 25
    2x = 38
    x = 19

    Michael is now 19 , and Max is now 14



    check: 4 years ago , Michael was 15 and Max was 10
    was the sum of their ages at that time 25? YES

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