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March 28, 2017

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In audition for school play, 70% passed the quality of the jurors for the first week. of those remaining, 20% were chosen. if only 7 were qualified, how many tried their luck?

  • Math 1 - ,

    Let total number who tried out be X.

    0.7 X * 0.2 = 7
    X = 7/0.14 = 50

  • Math 1 - ,

    50

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