SOLUTION: If Joe can paint a house in 6 hours, and Bill can paint a house in 6 hours. How long would it take them to paint a house together?
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Question 970227:  If Joe can paint a house in 6 hours, and Bill can paint a house in 6 hours. How long would it take them to paint a house together? 
Answer by macston(5194)   (Show Source): You can put this solution on YOUR website!
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Joe paints 1 house/6 hours=1/6 house/hour
Bill paints 1 house/6 hours=1/6 house/hour
Together: 1/6 house/hour+1/6 house/hour=2/6 house/hour=1/3 house/hour
1 house/(1/3 house/hour)=3 hours
ANSWER: It would take Bill and Joe 3 hours to paint a house together. 
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