October 10, 2015

Homework Help: math

Posted by Ms Jackie on Wednesday, December 5, 2012 at 9:54pm.

From a survey of 200 college students, a marketing research company found that 140 students owned iPhones, 60 owned cars, and 50 owned both cars and iPhones.
(a) How many students owned either a car or an iPhone (but not both)?
______ students

(b) How many students do not own either a car or an iPhone?

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