Mathematics, 18.06.2020 05:57 Izzyfizzy
A person sitting near a window in a passenger train timed that it took a freight train, traveling in opposite direction, 20 seconds to pass by him. What is the length of the freight train if the speed of the passenger train is 60 km/h and the speed of the freight train is 30 km/h.
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A person sitting near a window in a passenger train timed that it took a freight train, traveling in...
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