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Mathematics, 23.07.2021 21:40 TamB01

A freight train made a trip to NYC and back. The trip there took nine hours and the trip back took 15 hours It averaged 33 km/hour on the return trip. Find the average speed of the trip there.โ€‹

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A freight train made a trip to NYC and back. The trip there took nine hours and the trip back took 1...
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