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April 21, 2014

Homework Help: ALGEBRA

Posted by MONICA on Sunday, November 20, 2011 at 5:34pm.

From a survey of 100 college students, a marketing research company found that 65 students owned iPhones, 40 owned cars, and 30 owned both cars and iPhones.
(a) How many students owned either a car or an iPhone (but not both)?

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