SOLUTION: Hi. I have a solution to this problem, yet doesn't seem ok:
One tract can be ploughed with 6 tractors for 4 days, if they plough 120hectares a day. Two of the tractors were mov
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One tract can be ploughed with 6 tractors for 4 days, if they plough 120hectares a day. Two of the tractors were mov
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Question 824192: Hi. I have a solution to this problem, yet doesn't seem ok:
One tract can be ploughed with 6 tractors for 4 days, if they plough 120hectares a day. Two of the tractors were moved to another tract. The rest 4 ploughed the same tract for 5 days. How many decares average a day ploughed the 4 tractors?
Thanx for the help. Answer by josmiceli(19441) (Show Source):
You can put this solution on YOUR website! For 6 tractors, their rate of ploughing the tract is hectares/day
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1/6 as many tractors will plough the tract at
1/6 times that rate, so
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1 tractor will plow 1 tract in at a rate of
hectares/day
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4 tractors will plough at 4 times that rate, so
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4 tractors will plow 1 tract in at a rate of
hectares/day
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If the 4 tractors plough for 5 days, they will plough hectares
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Hope I got it
