SOLUTION: 20 farmers plough a field in 8 days.how much time will it take 25 farmers to do the same work

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Question 753145: 20 farmers plough a field in 8 days.how much time will it take 25 farmers to do the same work
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
1/4 that number of farmers will take 4 times
longer to do the same work, so
5 farmers will plough a field in 32 days
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5 times that many farmers can do the same work in
1/5 the time, so
25 farmers will plough a field in +32%2F5+=+6.4+ days