Survey of 140 people:
51 had a dog,
40 had a cat,
16 had a dog and a cat,
56 had...
Mathematics, 02.10.2020 09:01 amandajennings01
Survey of 140 people:
51 had a dog,
40 had a cat,
16 had a dog and a cat,
56 had neither a dog nor a cat nor a parakeet,
2 had a dog and a cat and a parakeet.
How many had a parakeet only?
Answers: 3
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