Seven tractors

Seven tractor plowed 308 ha field in four days. How many hectares of fields will plowe 9 tractors in 3 days at the same power?

Result

x =  297 ha

Solution:


7t * 4 = 308
9t*3 = x

28t = 308
27t-x = 0

t = 11
x = 297

Calculated by our linear equations calculator.



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