SOLUTION: paul can paint a room two times as fast as jamie. working together, they paint the room in 3hours. How long does it take each of them to paint the room alone?

Algebra ->  Rate-of-work-word-problems -> SOLUTION: paul can paint a room two times as fast as jamie. working together, they paint the room in 3hours. How long does it take each of them to paint the room alone?       Log On


   

Question 813176: paul can paint a room two times as fast as jamie. working together, they paint the room in 3hours. How long does it take each of them to paint the room alone?
Answer by josgarithmetic(39630) About Me  (Show Source):
You can put this solution on YOUR website!
r%2At=j
r rate of work
t time
j how many/or much jobs

Paul: 1%2Ft
Jamie: 1%2F2t
Together: 1%2Ft%2B1%2F2t=1%2F3 jobs per hour so t is in unit of hours.
Just solve the equation for t and then compute Paul's and Jamie's rates.