On pet day, 18 children brought a pet to school. Two-thirds of the pets were dogs. One ninth of the pets were cats.
How many were dogs?
How many were cats?
How many animals were neither dogs nor cats?
You're very welcome, Cindy.
12 dogs
(2/3) * 18 - 36/3 = 12 dogs
(1/9) * 18 = _______ cats