SOLUTION: If 5 tractors can plow a field in 4 hours,how many hours will it take 3 tractors to plow a field?

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Question 317783: If 5 tractors can plow a field in 4 hours,how many hours will it take 3 tractors to plow a field?
Answer by jim_thompson5910(28595) About Me  (Show Source):
You can put this solution on YOUR website!
Hint: Solve the proportion 5%2F4=3%2Fx.