# ALGEBRA

posted by .

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)?

• ALGEBRA -

35 + 10 = 45 only had iPhone OR car

• ALGEBRA -

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

• ALGEBRA -

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.

• ALGEBRA -

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)?

• ALGEBRA -

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

• ALGEBRA -

50

• ALGEBRA -

40+10+50