SOLUTION: Painters A and B can paint a wall in 10 hours when working at the same time. Painter B works twice as fast as A. How long would it take to each of them to paint if they worked alon

Algebra ->  Rate-of-work-word-problems -> SOLUTION: Painters A and B can paint a wall in 10 hours when working at the same time. Painter B works twice as fast as A. How long would it take to each of them to paint if they worked alon      Log On


   

Question 455494: Painters A and B can paint a wall in 10 hours when working at the same time. Painter B works twice as fast as A. How long would it take to each of them to paint if they worked alone?
Answer by jorel1380(3719) About Me  (Show Source):
You can put this solution on YOUR website!
1/x+2/x=1/10
10+20=x
x=30
Painter A takes 30 hours to paint the wall. Painter B takes 15 hours to paint the wall..