SOLUTION: Help!
It takes Ryan 4 hours to paint a room. It takes Tiffany 6 hours to paint the same room. How long will it take them to paint the room if they do the job together?
A. 2 1/5 h
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-> SOLUTION: Help!
It takes Ryan 4 hours to paint a room. It takes Tiffany 6 hours to paint the same room. How long will it take them to paint the room if they do the job together?
A. 2 1/5 h
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Question 874443: Help!
It takes Ryan 4 hours to paint a room. It takes Tiffany 6 hours to paint the same room. How long will it take them to paint the room if they do the job together?
A. 2 1/5 hours
B. 2 2/5 hours
C. 1 1/6 hours
D.5/6 hours Answer by ewatrrr(24785) (Show Source):
You can put this solution on YOUR website! |Multiplying thru by 24x so as all denominators = 1
6x + 4x = 24
10x = 24
x = 2.4hr 0r 2hr and 24min