At the Howard Aquarium, 3/5 of the animals are mammals. Of the mammals, 7/20 are dolphins. What fraction of the animals at the Howard Aquarium are dolphins?Write your answer as a fraction or as a whole or mixed number.

The dolphins at the Hamilton Aquarium are fed 1/6 of a bucket of fish each day. The sea otters are fed 3/10 as much fish as the dolphins. How many buckets of fish are the sea otters fed each day?Write your answer as a fraction or as a whole or mixed number.

At the Taylor Zoo, 5/6 of the animals are primates. Of the primates, 3/8 are monkeys. What fraction of the animals at the Taylor Zoo are monkeys?Write your answer as a fraction or as a whole or mixed number.

There are 141 animals in a zoo. 117 of them are dolphins.Write this proportion as a percentage.Give your answer correct to 1 decimal place when appropriate.

Lucy keeps frogs and turtles as pets. Lucy's pets live in a long tank. The tank is divided into 4 equal parts. Turtles live in 1 part.What fraction of the tank do turtles live in?

The elephants at the Boone Zoo are fed 4 barrels of corn each day. The buffalo are fed 1/2 as much corn as the elephants. How many barrels of corn are the buffalo fed each day?Write your answer as a fraction or as a whole or mixed number. barrels