Question by Phan Huy Toàn - Discuss with MathYouLike

Phan Huy Toàn

17/08/2017 at 15:20

A survey showed that of 120 secondary school students: 52 of them have a dog, 31 of them have a cat and 19 of them have both.
How many of the 120 students have neither a dog nor a cat?
Answer: ........ students.

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I like math 17/08/2017 at 15:22

Answer:56 students

The students have neither a dog or a cat is: 120−52−31+19=56120−52−31+19=56 students.

Good luck!

Phan Huy Toàn selected this answer.
Help you solve math 17/08/2017 at 15:25

Answer:56 students

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