SOLUTION: if it takes 9 men 15 days to complete a construction job, how long would it take to complete if only 5 men worked on the job

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Question 664629: if it takes 9 men 15 days to complete a construction job, how long would it take to complete if only 5 men worked on the job

Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
You can put this solution on YOUR website!
if it takes 9 men 15 days to complete a construction job,
Find the number of man-days required to do the job
9 * 15 = 135 md
:
how long would it take to complete if only 5 men worked on the job
Let d = no. of days for 5 men to complete the job
5d = 135
d = 135/5
d = 27 days