The distance from M to N is 48 km.
Since a man left town M at 10:00 a.m. and traveled by car to town N at an average speed of 72 km / h, and he spent 2 hours for a meeting and returned to town M by bus at an average speed of 40 km / h, to determine, if the distance covered by the bus was 2 km longer than that of the car and he arrived at town M at 1:55 pm, the distance from M to N, the following calculation must be performed:
Therefore, the distance from M to N is 48 km.
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