Answer:
18 people out of them 6 own a cat and 12 own a dog.
Explanation:
So easy you can tell from the two way table itself ,
they are asking the number of people who are living the suburbs and how many own a cat or a dog .
so after seeing the table it is very much clear that
total 18 people live in suburbs and 6 of them own a cat and 12 of them own a dog, so simple now smile please.