Latoya surveyed her friends to see how many pets they owned. Her 6 friends have a total of 11 cats and birds. If there are a total of 36 leg, how many cats and birds are there? Assume each cat has 4 legs and each bird has 2 legs. (A 6 Cats And 4 Birds) (B 7 Cats And 4 Birds) (C 7 Cats And 5 Birds) (D 6 Cats And 5 Birds.)