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March 29, 2017

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From a survey of 100 college students, a marketing research company found that 35 students owned iPods, 25 owned cars, and 5 owned both cars and iPods

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

How many students do not own either a car or an iPod?
236 Incorrect: Your answer is incorrect. .

  • ALGEBRA - ,

    Draw a Venn diagram
    overlap between cars and Ipods is 5
    so Ipod alone = 35-5 = 30
    and car alone = 25-5 = 20
    so Ipod or car but not both = 30+20 = 50

    Ipod and car = 35
    car alone = 20
    sum = 55
    100 - 55 = 45 own nothing

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