Posted by **MONICA** on Monday, November 21, 2011 at 8:43am.

From a survey of 100 college students, a marketing research company found that 70 students owned iPhones, 35 owned cars, and 25 owned both cars and iPhones. (a) How many students owned either a car or an iPhone (but not both)? b) How many students do not own either a car or an iPhone?

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