SOLUTION: From a survey of 600 college students, a marketing research company found that 400 students owned stereos, 200 owned cars, and 75 owned both cars and stereos. (a) How many stud

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Question 264156: From a survey of 600 college students, a marketing research company found that 400 students owned stereos, 200 owned cars, and 75 owned both cars and stereos.
(a) How many students owned either a car or a stereo (but not both)?
(b) How many students do not own either a car or a stereo?

Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
(400+200)-75=600-75=525 students owned a car or a stereo but not both.
600-525=75 students did not own either a car or a stereo.