Question

My friend has $20$ stuffed animals. All of them are either cats or dogs, and all of them either have short or long fur. ${}12$ of them are cats, $15$ of them have long fur, and $4$ of them are short-furred dogs. How many stuffed animals are long-furred cats?

Answer 1

11

Explanation:

There are 8 dogs total with 4 being short furred, so 4 are long furred. If 15 total stuffed animals have long fur and 4 of them are dogs, 11 of them are cats.