The field

3 tractors plow the field in 6 hours. However, after 2 hours, 1 tractor broke down. How long will the field be plowed?

Correct result:

t =  8 h


3•6 = 3•2 + (3-1)•(t-2)

2t = 16

t = 8

Calculated by our simple equation calculator.

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