SOLUTION: Lloyd can paint a house twice as fast as his brother Phil. If it takes them 20 hours to paint the house together, then how long does it take to paint it alone?
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Question 799449: Lloyd can paint a house twice as fast as his brother Phil. If it takes them 20 hours to paint the house together, then how long does it take to paint it alone?
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
If it takes L 
hours to do 1 whole job, he can do 
of the job in 1 hour. Likewise, if it takes P 
hours, then he can do 
of the job in 1 hour. Together they take 20 hours, so together they can do 
of the job in one hour.
So
Solve for to get L's time, to get P's time.
John
Egw to Beta kai to Sigma
My calculator said it, I believe it, that settles it
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