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At the north campus of a performing arts​ school, 20​% of the students are music majors....

At the north campus of a performing arts​ school, 20​% of the students are music majors. At the south​ campus, 80​% of the students are music majors. The campuses are merged into one east campus. If 32​% of the 1000 students at the east campus are music​ majors, how many students did the north and south campuses have before the​ merger?

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