SOLUTION: If 2/3 of a room can be painted in 1 h, what is the rate of work of the room per hour? At the same rate, how long will it take to paint the entire room?

Algebra ->  Rate-of-work-word-problems -> SOLUTION: If 2/3 of a room can be painted in 1 h, what is the rate of work of the room per hour? At the same rate, how long will it take to paint the entire room?      Log On


   



Question 628924: If 2/3 of a room can be painted in 1 h, what is the rate of work of the room per hour?
At the same rate, how long will it take to paint the entire room?

Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
If 2/3 of a room can be painted in 1 hour, then
3 times that can be painted in 3 hours, so
+3%2A%282%2F3%29+ = 2 rooms can be painted in 3 hours
and 1 room can be painted in half that time, so
1 room can be painted in 1 and a half hours