Phan Huy Toàn
16/08/2017 at 15:21-
WhySoSerious 16/08/2017 at 15:24A 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: 56 students.The students have neither a dog or a cat is \(120-52-31+19=56\) students.
Selected by MathYouLike -
Help you solve math 16/08/2017 at 15:25We have:120 - 52 - 31 + 19 = 56