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Mathematics 20 Online
OpenStudy (anonymous):

A survey of 260 families showed that 99 had a dog; 76 had a cat; 34 had a dog and a cat; 98 had neither a cat nor a dog nor a parakeet; 8 had a cat and a dog and a parakeet. How many had a parakeet only?

OpenStudy (anonymous):

is it 21?

OpenStudy (agent0smith):

Have you done venn diagrams? Make one

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