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Gretchen, Miranda and Ariel worked a total of 105 hours this week. If the ratio of Gretchen's hours to Miranda's to Ariels is 1:4:2, what is the difference between the number of hours Miranda worked and the number of hours Ariel worked?

  • Math(ratio) -

    How many hours did each work?
    Total of 1:4:2 = 7. then
    105 x (1/7)*100 = hours G worked.
    105 x (4/7)*100 = hours M worked.
    105 x (2/7)*100 = hours A worked.

    Then difference between hours M - hours A = ?

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