# 40 species of animals live in the forest: 7 species more carnivores than ungulates, and 2 species more rodents that carnivores. How many ungulates live in the forest?

##### 1 Answer

May 30, 2017

Number of ungulates is 8.

#### Explanation:

C is for carnivores, U is for ungulates, and R is for rodents.

For carnivores:

For rodents:

For rodents, instead of C, you can write the first equation (7+U) yielding

For rodents:

Now you have 3 components for your equation, each component contains U term.

Your final equation is

Number of ungulates is 8.

That is your answer. Number of ungulates is 8.