Mathematics, 29.03.2021 17:40 showerofstars

Two trains on opposite tracks leave the same station ta the same time. One train travels at an average speed of 80 km per hour and the other travels at an average speed of 70 km per hr. How long after they leave the station at will they be 50 km apart

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Two trains on opposite tracks leave the same station ta the same time. One train travels at an avera...

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