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Math Help - Need Help for tonight

  1. #1
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    Need Help for tonight

    Need a Venn diagram:

    At the mall, 150 customers were asked what type of pet they owned. 51 people in the gorup had a dog, 48 people had a cat and 29 people had both a dog and a cat.
    How many of these people had only a dog_____; How many of these people did not have a cat _____; How many of these people had neither a dog nor a cat____; How many of these people had a cat or a dog ___?
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  2. #2
    Member jacs's Avatar
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    Quote Originally Posted by batman123
    Need a Venn diagram:

    At the mall, 150 customers were asked what type of pet they owned. 51 people in the gorup had a dog, 48 people had a cat and 29 people had both a dog and a cat.
    How many of these people had only a dog_____; How many of these people did not have a cat _____; How many of these people had neither a dog nor a cat____; How many of these people had a cat or a dog ___?
    dog only = 51 - 29 = 38
    cat only = 48 - 29 = 19
    both = 29
    none = 150 - 38 - 19 - 29 = 64

    not cat = 140 - 48 = 102

    cat or dog = 38 + 29 + 19 = 86

    hope it helps
    jacs
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