20 beavers, working together in a constant pace, can build a dam in 3 hours. How many V hours will it take 12 beavers that work at the same pace, to build the same dam?  Answers.
A) 2. B) V=4. C) V=5. D) V=6. E) 8.
C. 5 hrs   If there were 10 beavers it qould have taken double V= 6hrs.. so closest to that option is 5.
<result>C</result>
20 beavers, working together in a constant pace, can build a dam in 3 hours. How many V hours will it take 12 beavers that work at the same pace, to build the same dam?