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?

Algebra.Com
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)   (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
The Out Campaign: Scarlet Letter of Atheism



RELATED QUESTIONS

If i takes painter a 7 hours to paint a room and painter a & painter b 5 hours to paint... (answered by Boreal)
One painter takes 6 hours longer to paint a room than does a second painter. Working... (answered by stanbon)
one painter can paint a room in 12 hours and another can paint the same room in 10 hours. (answered by ewatrrr)
Painter Painter has three employees: Huey, Dewey, and Louie. Working together they can... (answered by swincher4391)
sally can paint a room in 6 hours, it takes steve 3 hours to paint the same room. how... (answered by josmiceli)
Painter "A" takes 4 hours to paint the house. Painter "B" takes 6 hours to paint the... (answered by Alan3354)
It takes Jon 7 hours to paint a room. It takes Kate 12 hours to paint the same room. How... (answered by checkley77)
if sally can paint a room in 6 hours while it takes steve 7 hours to paint the same room. (answered by Edwin McCravy)
Sally can paint a room in 4 hours while it takes Steve 6 hours to paint the same room.... (answered by drk)