SOLUTION: It takes Painter A 10 hours to paint a room. It takes Painter B 6 hours to paint the same room. If they paint the same room together, how long would it take them?

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Question 627045: It takes Painter A 10 hours to paint a room. It takes Painter B 6 hours to paint the same room. If they paint the same room together, how long would it take them?
Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!

If A can do a job in x time periods, then A can do of the job in 1 time period. Likewise, if B can do the same job in y time periods, then B can do of the job in 1 time period.

So, working together, they can do



of the job in 1 time period.

Therefore, they can do the whole job in:



time periods.

John

My calculator said it, I believe it, that settles it
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