SOLUTION: if it took 40 men to build 20 sheds in 2 hours then how many hours did it take 5 men to build 10 sheds?

Algebra ->  Rate-of-work-word-problems -> SOLUTION: if it took 40 men to build 20 sheds in 2 hours then how many hours did it take 5 men to build 10 sheds?      Log On


   

Question 525370: if it took 40 men to build 20 sheds in 2 hours then how many hours did it take 5 men to build 10 sheds?
Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
You can put this solution on YOUR website!
if it took 40 men to build 20 sheds in 2 hours
Find how many man-hrs to build one shed
%2840%2A2%29%2F20 = 4 man-hrs per shed
:
then how many hours did it take 5 men to build 10 sheds?
let h = no. hrs to build 10 sheds
5h = 10(4)
5h = 40
h = 40/5
h = 8 hrs