SOLUTION: A painter can finish painting a house in 8 hours. Her assistant takes 10 hours to finish the same job. How long would it take for them to complete the job if they were working to

Algebra ->  Rate-of-work-word-problems -> SOLUTION: A painter can finish painting a house in 8 hours. Her assistant takes 10 hours to finish the same job. How long would it take for them to complete the job if they were working to      Log On


   

Question 276666: A painter can finish painting a house in 8 hours. Her assistant takes 10 hours to finish the same job. How long would it take for them to complete the job if they were working together.
Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
(x / 8) + (x / 10) = 1

5x + 4x = 40

x = 40 / 9