SOLUTION: You and your friend have been hired to paint a room. It takes you 4 hours working alone to do the job. It takes your friend 5 hours working alone to do the job. How long would it t

Question 750604: You and your friend have been hired to paint a room. It takes you 4 hours working alone to do the job. It takes your friend 5 hours working alone to do the job. How long would it take both of you to paint the room?
Answer by tommyt3rd(5050) (Show Source): You can put this solution on YOUR website!

so that t=20/9hr = 2 2/9 hr

:)
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