SOLUTION: If it takes three painters four hours to paint seven walls, how many hours would it two painters to paint three walls?
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Question 640201: If it takes three painters four hours to paint seven walls, how many hours would it two painters to paint three walls?
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
If it takes three painters four hours to paint seven walls,
how many hours would it two painters to paint three walls?
:
Find the number of man-hrs required to paint one wall
:
man-hrs =
mh = to paint one wall
:
"how many hours would it two painters to paint three walls?"
let h = no. hrs required to accomplish this
2h = 3*
2h =
h = *
h =
h = = 2.57 hrs or 2 + .57(60) = 2 hrs 34.2 min
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