SOLUTION: It takes 15 workers to build 500 ft. of fencing in 6 hours. At this same rate, how many workers are needed to build 1000 ft. of fencing in 9 hours?

Question 242971: It takes 15 workers to build 500 ft. of fencing in 6 hours. At this same rate, how
many workers are needed to build 1000 ft. of fencing in 9 hours?

Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
It takes 15 workers to build 500 ft. of fencing in 6 hours.
At this same rate, how many workers are needed to build 1000 ft. of fencing in 9 hours?
:
Use man-hrs here:
It takes 15*6 = 90 man-hrs to build 500 ft of fence
therefore, it will take 180 man-hrs to build 1000 ft of fence
:
Let m = no. of men required
:
9m = 180
m =
m = 20 men
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