SOLUTION: if alex paints a room in 4 hours & frank paints the same room in 7 hours, how much time would it take to paint the room if both of them worked together?
Algebra ->
Rate-of-work-word-problems
-> SOLUTION: if alex paints a room in 4 hours & frank paints the same room in 7 hours, how much time would it take to paint the room if both of them worked together?
Log On
Question 916612: if alex paints a room in 4 hours & frank paints the same room in 7 hours, how much time would it take to paint the room if both of them worked together? Answer by ewatrrr(24785) (Show Source):
