a father and his son are both farmers. The father has very old tractor and the son a powerful brand new one if the father plow with his old tractor the corn fields he need 3 days.If the son does the work with his new tractor he need half the time compared to his father how much time they need if they work together plowing the fields if they do not interfere with each other
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1/2 because idk but the answer is 1/2
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si the ans is 1 day because father take 3 days and his son take half time so the half time 1/5 days so the answer is 1 eay
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