document.write( "Question 459861: Six tractors can plow a field in 8 hours if they all work together. How many hours will it take 4 tractors to do the job? \n" ); document.write( "
Algebra.Com's Answer #315383 by richwmiller(17219)\"\" \"About 
You can put this solution on YOUR website!
This type problem assume that all the tractors do an equal amount of work which is contrary to other work problems.
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\n" ); document.write( "\n" ); document.write( "So 4 tractors will take 12 hours to do 48 tractor hours of work.
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