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?

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?

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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) (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
= 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
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