Paula, Joanne, and Mary own a total of 16 dogs, among which are 3 poodles, twice that many cocker
spaniels, and the remainder German shepherds and collies. Joanne despises poodles and collies, but
owns 4 cocker spaniels and 2 German shepherds, giving her a total of 6 dogs. Paula owns 1 poodle and
only 2 other dogs, both German shepherds. Mary owns 3 collies and several other dogs. What other dogs
(and how many of each) does Mary own?
