MATH !!!!!!!!!!
posted by Celest .
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?

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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