Mathematics, 28.07.2020 16:01 SweetBriar

A train is booked to do the run between two places 55 km apart, in 1 hr 20 min. if it travels for the first 30 km at 36km per hour, at what speed must it travel for the rest of the distance in order to complete the journey in time

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A train is booked to do the run between two places 55 km apart, in 1 hr 20 min. if it travels for th...