SOLUTION: Kim can paint the garage door in 2 hours and Jim can paint the same door in 1 hour. How long will it take them if they work together?

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: Kim can paint the garage door in 2 hours and Jim can paint the same door in 1 hour. How long will it take them if they work together?      Log On


   

Question 463266: Kim can paint the garage door in 2 hours and Jim can paint the same door in 1 hour. How long will it take them if they work together?
Answer by rwm(914) About Me  (Show Source):
You can put this solution on YOUR website!
x/1+x/2=1
2x+x=2
3x=2
x=2/3 hours
2/3/1+2/3/2
2/3+1/3=1