5 tractors will plow the field for 8 hours. In 2 hours, 1 tractor broke down. How long do the remaining tractors complete the plow?

Correct answer:

t =  7.5 h

Step-by-step explanation:

5•8 = 5•2 + (5-1)•t

4t = 30

t = 15/2 = 7.5

Our simple equation calculator calculates it.

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