SOLUTION: if 12 men complete a work in 4 hours,in how many hours 15 will complete the same work.

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Question 821480: if 12 men complete a work in 4 hours,in how many hours 15 will complete the same work.
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 
Hi,
if 12 men complete a work in 4 hours,
in how many green%28X%29 hours 15 will complete the same work.
N%5B1%5D+%2A+T%5B1%5D+%2A+W%5B1%5D+=N%5B2%5D%2AT%5B2%5D%2AW%5B2%5D
12%2A4hrs%2A1+=+15X%2A1
48= 15X
3.2hr = X