SOLUTION: It takes Jon 7 hours to paint a room. It takes Kate 12 hours to paint the same room. How many hours will it take them to paint the room if they work together?
Algebra.Com
Question 204387: It takes Jon 7 hours to paint a room. It takes Kate 12 hours to paint the same room. How many hours will it take them to paint the room if they work together?
Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
(7*12)/(7+12)=84/19=4.421 hours working together will finish the job.
RELATED QUESTIONS
Sonya can paint a room in 7 and a half hours, but it only takes Jen 4 and a half hours to (answered by checkley71)
It takes Sue 3 hours to paint a room and it takes Joe 5 hours to paint the same room. If (answered by checkley77)
if john can paint a room in 2 hours while peter takes 6 hours . how long will it take... (answered by ewatrrr,richwmiller)
It takes Painter A 10 hours to paint a room. It takes Painter B 6 hours to paint the same (answered by solver91311)
sally can paint a room in 4 hours while it takes steve 7 hours to paint the same room.... (answered by Alan3354)
Sally can paint a room in 7 hours while it takes Steve 6 hours to paint the same room.... (answered by josgarithmetic)
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 5 hours while it takes Steve 7 hours to paint the same room.... (answered by Alan3354)
Sally can paint a room in 7 hours while it takes Steve 9 hours to paint the same room.... (answered by Boreal)