Mathematics, 09.02.2020 22:52 witchhunt666

A freight train leaves Austin at 60t km/h. Two hours later, an Amtrak train leaves. \Austin on a parallel track headed in the same direction at 90 km/h. How many hours will it take for the Amtrak to catch the freight train?

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A freight train leaves Austin at 60t km/h. Two hours later, an Amtrak train leaves. \Austin on a par...