Question

Suppose a survey of 100 people asks if they have a cat or dog as a pet. The results are as follows: 55 answered yes for cat, 58 answered yes for dog and 20 people checked yes for both cat and dog. How many people have a cat or a dog?for both cat and dog. How many people have a cat or a dog?​

Answer 1

Answer:

OML this is so confusing