February 26, 2017

Homework Help: math

Posted by Anonymous on Saturday, August 25, 2012 at 4:43pm.

From a survey of 100 college students, a marketing research company found that 70 students owned iPhones, 45 owned cars, and 40 owned both cars and iPhones.
(a) How many students owned either a car or an iPhone (but not both)?
1 students

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

I got a. 115 don't know how to get to b

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