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March 29, 2017

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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 - ,

    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

  • 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

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