# It takes an older computer 4 times as long to send out a company's email as it does a newer computer. Working together, it takes the two computers 10 minutes to send out the email. How long will it take the newer computer to send out the email on its own?

##### 1 Answer

Oct 27, 2017

#### Explanation:

Suppose the old computer can send out

Working together they could send out

and in 10 minutes they could send out

Since the new computer can send out

in order to send out

the new computer would require