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Posted by on Wednesday, February 22, 2012 at 5:24pm.

IN MR.MAROLE'S CLASS, THREE FOURTH OF THE STUDENTS TAKE MUSIC LESSONS.THAT IS, 15 STUDENTS TAKE MUSIC.HOW MANY STUDENTS ARE IN MR.MAROLE'S CLASS?

  • MATH !!!!!!!!!! - , Wednesday, February 22, 2012 at 5:27pm

    Let x = the number of students in the class.

    (3/4)x = 15

    x = 15 / (3/4)

    x = 15 * (4/3)

    x = 60/3

    x = 20

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