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.

Question

(a) How many students owned either a car or an iPhone (but not both)?

Answer 1

65/100 had iPhones of those 65-30 had car too so 35 only had iPhone

40/100 had cars of those 40-30 had iPhone too so 10 only had car

35 + 10 = 45 only had iPhone OR car

Answer 2

From a survey of 100 college students, a marketing research company found that 65 students owned iPods, 45 owned cars, and 25 owned both cars and iPods.
(a) How many students owned either a car or an iPod (but not both)?
students

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

Answer 3

From a survey of 100 college students, a marketing research company found that 50 students owned iPods, 30 owned cars, and 20 owned both cars and iPods.

Answer 4

From a survey of 100 college students, a marketing research company found that 65 students owned iPods, 35 owned cars, and 25 owned both cars and iPods.
(a) How many students owned either a car or an iPod (but not both)?

Answer 5

65-25=40, 35-25=10, 40+10=50.

Answer 6

50

Answer 7

40+10+50