SOLUTION: Jim can paint a house in 10 hours and Bill can paint the same house in 12 hours.How long will it take if they work together. Thanks!!

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Question 293105: Jim can paint a house in 10 hours and Bill can paint the same house in 12 hours.How long will it take if they work together. Thanks!!
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
1/10+1/12=1/x
(12+10)/10*12=1/x
22/120=1/x
22x=120
x=120/22
x=5.455 hours to paint the house working together.