SOLUTION: Alice can paint a room in 8 hours. Her assistant can paint the same room in 12 hours. How long will it take to paint the same room id they work together?

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Question 614661: Alice can paint a room in 8 hours. Her assistant can paint the same room in 12 hours. How long will it take to paint the same room id they work together?
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
x/12+x/8=1
8x+12x=96
20x=96x=48/10=4.8