SOLUTION: five farmers can plow a certain field in seven hours. how long will it take eight farmers to plow the same field? round to the nearest hundredth hour.

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Question 671496: five farmers can plow a certain field in seven hours. how long will it take eight farmers to plow the same field? round to the nearest hundredth hour.
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
1/5 as many farmers will take 5 times longer
to plow the same field
So, 1 farmer plows the field in +5%2A7+=+35+ hrs
8 farmers will take 1/8 of this time, or
+35%2F8+ hrs
8 farmers take 4.38 hrs to plow the field