November 25, 2015

Homework Help: College math

Posted by Leo on Sunday, August 26, 2012 at 7:41pm.

From a survey of 100 college students, a marketing research company found that 60 students owned iPhones, 30 owned cars, and 25 owned both cars and iPhones.
(a) How many students owned either a car or an iPhone (but not both)?

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