# Jack can paint the bedroom in 12 hours, and Rick can do it in 10 hours. They work together for three hours. How long will it take Jack to finish the job alone?

##### 1 Answer

Aug 13, 2016

5 hours 24 minutes.

#### Explanation:

If Jack can paint the room in 12 hours, then in 3 hours he will have painted

Rick can do it in 10, so in 3 hours he will have painted

Jack has to paint