Trains

From station 130 km away started passenger train and after 2.2 hours after the express train, which travels 37 km an hour more. Express train finish journey 7 minutes early.

Calculate the average speed of this two trains.

Result

v1 =  185.4 km/h
v2 =  222.4 km/h

Solution:

Solution in text v__1 =
Solution in text v__2 =







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