Tractors

Six tractors plowed the field for eight days. After two days, two tractors broke down. How many days were prolonged work in the field?

Final Answer:

x =  3 d

Step-by-step explanation:

n=6 d=8  d⋅ n=2⋅ n+(x+(d−2))⋅ (n−2) 8⋅ 6=2⋅ 6+(x+(8−2))⋅ (6−2)  4x=12  x=412​=3  x=3=3 d

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