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rocio finished 21 pages of a book in 3 days. monday she finished half of what she did on tuesday and wednesday she finished twice as much as she did on tuesday. how much did she read each day?

  • math -

    Finished X-Pages on Tue.
    Finished X/2 Pages on Mon.
    Finished 2X-Pages on Wed.

    X + X/2 + 2x = 21 Pages.
    7x/2 = 21.
    Multiply both sides by 2:
    7x = 42
    X = 6 Pages.
    X/2 = 6/2 = 3 Pages.
    2x = 2*6 = 12 Pages.

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