Pet Parade: Mr. James has 14 cats, dogs and guinea pigs. What are all the combinations he could have?

Answer 1

just start listing them. If the order is cats, dogs, pigs, then he could have

12 1 1

11 2 1
11 1 2

10 3 1
10 2 2
10 1 3

and so on. If you look, you may discover a pattern to keep from having to list all of them.