March 23, 2017

Post a New Question

Posted by on Friday, December 3, 2010 at 5:18pm.

If Dale can paint a room in 5 hours alone and Chip can paint the same room in 7 hours alone. How long would it take them together to pain the room?

  • Algebra - , Friday, December 3, 2010 at 5:50pm

    pieces= rate*time
    1 room= (1room/5hrs+1room/7hrs)*time

    = (7+5)/35 * time
    time= 35/12 hours =2 hrs 55min

Answer This Question

First Name:
School Subject:

Related Questions

More Related Questions

Post a New Question