SOLUTION: paul paints a room in 6 hours. joel paints the room in 3 hours. how long will it take them to paint togather?
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Question 359611: paul paints a room in 6 hours. joel paints the room in 3 hours. how long will it take them to paint togather?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
paul paints a room in 6 hours. joel paints the room in 3 hours. how long will it take them to paint together?
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Paul's rate: 1/6 job/hr
Joel's rate: 1/3 job/hr
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Together rate: 1/x job/hr
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Equation:
rate + rate = together rate
1/6 + 1/3 = 1/x
---
x + 2x = 6
3x = 6
x = 2 hrs ( time to do the job together)
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Cheers,
Stan H.
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