*PLEASE HELP* At the north campus of a performing arts​ school, 60​% of the students are music majors. At the south​ campus, 20​% of the students are music majors. The campuses are merged into one east campus. If 36​% of the 1500 students at the east campus are music​ majors, how many students did each of the north and south campuses have before the​ merger?

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See diagram.we use washers to get the area and we will be integrating with respect to xouter radius is the  distance between y = e^x and y = -1    inner radius of washer is the distance between y = 1 and y = -1    the area of one cross-section of a washer is    solid lies between x = 0 and x = 2. the volume is    if you need this expanded, then    the question doesn't say to evaluate, so we're done.