# Question #bab68

##### 2 Answers

#### Answer:

#### Explanation:

Let :

#x =# math problems#y=# science problems

So

Then substitute

Plug

Jan 18, 2018

#### Answer:

There are

#### Explanation:

Let

Simplify.

Subtract

Simplify.

Divide both sides by

Simplify.

Number of science questions:

Number of math questions: