SOLUTION: Considering 4 men finishes the work in 2 days, how many men will require to finish the work in half day?

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Question 889281: Considering 4 men finishes the work in 2 days, how many men will require to finish the work in half day?
Found 2 solutions by josgarithmetic, richwmiller:
Answer by josgarithmetic(39628) About Me  (Show Source):
You can put this solution on YOUR website!
r = rate of 1 man per day
n = count of men to do the job in half a day

RT=J for rate, time, job.
Each man assumed works at same rate as another man. Rate of a group of men is the sum of the rate of the men in the group

4r%2A2=nr%2A%281%2F2%29
Solve for n.

Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
8 man days to finish the job
16 men will finish it in 1/2 day