SOLUTION: ernie and mike painted a fence together in "a" hours. it would take ernie "b" hours to paint the fence by himself. what fraction of the fence did ernie paint? what fraction of the

Algebra ->  Rate-of-work-word-problems -> SOLUTION: ernie and mike painted a fence together in "a" hours. it would take ernie "b" hours to paint the fence by himself. what fraction of the fence did ernie paint? what fraction of the       Log On


   

Question 279541: ernie and mike painted a fence together in "a" hours. it would take ernie "b" hours to paint the fence by himself. what fraction of the fence did ernie paint? what fraction of the fence did mike paint?
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
a/b+a/m=1
ernie did a/b
mike did 1-a/b