math

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Sally is 54 years old and her mother is 80, how many years ago was Sally’s mother three times her age?


I believe that the answer is 41 years??

  • math -

    M = 3s
    s + 26 = m
    s + 26 = 3s
    26 = 2s

    s = 13

    54-13 = 41
    Correct

  • math -

    Right.

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