Mathematics, 04.06.2021 08:00 eduardavezdemel

A survey of 200 families showed that 75 had a dog;
58 had a cat;
25 had a dog and a cat;
77 had neither a cat nor a dog nor a parakeet;
5 had a cat and dog and a parakeet.
How many had a parakeet only?

Answers: 1

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A survey of 200 families showed that 75 had a dog;
58 had a cat;
25 had a dog and a cat...