Robert has fish, chickens, and dogs. There are 28 eyes total and 16 legs total. Also, there are twice as many fish as chickens. How many dogs are there?
Answer : 2 dogs. Explanation : If there were 2dogs there would be 8 legs. That means 8 legs belong to 4 chickens. 2 dogs and 4 chickens is 12 eyes. If the number of fish is double the number of chickens, there would be 8 fish. 8 fish is 16 eyes. 16 fish eyes + 4 dog eyes and 8 fish eyes is 28 eyes.
