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If 1/2 of a number, 1/3 of the number, 1/4 of the number, and 2/7 of the number are added together, the sum is 575. What is the number? Please show steps/work.

  • math -

    n(1/2 + 1/3 + 1/4 + 2/7) = 575
    115/84 n = 575 = 5*115
    ...

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