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A poll of 100 eighth-grade students was conducted to determine the number of students who had a dog, a cat, or a fish. The data showed that 50 students had a dog, 40 students had a cat, and 20 students had a fish. Further, 19 students had only a dog and a cat, 2 students had only a cat and a fish, 3 students had only a dog and a fish, and 12 students had only a fish. How many students had none of these pets?

 Apr 29, 2018
 #1
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bruh stop it get some help. Just ask someone

 May 10, 2018

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