SOLUTION: It will take you 10 hrs to paint the garage and it will take your brother 15 hours to paint the garage. How long will it take if the two of you pain together?

Algebra ->  Rate-of-work-word-problems -> SOLUTION: It will take you 10 hrs to paint the garage and it will take your brother 15 hours to paint the garage. How long will it take if the two of you pain together?       Log On


   

Question 486155: It will take you 10 hrs to paint the garage and it will take your brother 15 hours to paint the garage. How long will it take if the two of you pain together?
Answer by chessace(471) About Me  (Show Source):
You can put this solution on YOUR website!
Flip the rates.
You can paint 1/10 G/H, Bro can do 1/15 G/H.
Total G/H = 1/10 + 1/15 = (3 + 2)/30 = 1/6 G/H.
So after 6 hours, 1.0 Garages will be painted as requested.