SOLUTION: Suppose one painter can paint the entire house in 12 hours, and the second painter can paint the house in 8 hour. How long would it take the two painters together to paint the hou

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Question 167349: Suppose one painter can paint the entire house in 12 hours, and the second painter can paint the house in 8 hour. How long would it take the two painters together to paint the house?
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
Add their rates of working to get
the rate working together
(1 house)/(8 hrs) + (1 house)/(12 hrs) = (1 house)/(x hrs)
1%2F8+%2B+1%2F12+=+1%2Fx
Multiply both sides by 24x
3x+%2B+2x+=+24
5x+=+24
x+=+4.8
Working together, it will take them 4.8 hrs, or 4 hrs 48 min