# Sanford can assemble a computer in 60 minutes. Colleen can assemble a computer in 40 minutes. If they work together, how many minutes does it take them to assemble a computer?

##### 1 Answer

Apr 30, 2016

24 minutes, you can find this by adding the rates

#### Explanation:

Sanford can assemble

Colleen can assemble

Combined rate

So combined they build