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Mathematics, 13.02.2021 18:50 cristinavalencia03

A farming field can be ploughed by 6 tractors in 4 days. When 6 tractors work together, each of them ploughs 120 hectares a day. If two of the tractors were moved to another field, then the remaining 4 tractors could plough the same field in 5 days. How many hectares a day would one tractor plough then?​

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A farming field can be ploughed by 6 tractors in 4 days. When 6 tractors work together, each of them...
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