Question

In a group of 32 pet owners, half are women and 20 are dog owners. If 8 women are not dog owners, how many of the dog owners are men?

Answer 1

So there are 32 people total. 
16 are women and 16 are men. 
8 women do not own dogs. meaning 8 women DO own dogs. 

so the rest must be owned by men. 
there are are a total of 20 owners who have dogs. 
so 20-8= 12 must be owned by men.