On a double-track line between stations, K and M went against each other two trains. The first train passed the distance between stations for 3.5 hours, and the second, which had an average speed of 12 km/h more, passed for 3.05 hours.

Calculate the distance between stations K and M.

Correct answer:

s =  284.7 km

Step-by-step explanation:

s1=s2=s 3.5v1=3.05(v1+12) v1=3.53.05123.05=81.33 km/h v2=v1+12=93.33 km/h  s=v13.5= km

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