Mathematics, 09.09.2021 01:20, Mastersonisnot

A motorist travels for 60km at x km/h and for 180km at y km/h, the total time for the journey being 5 hours. if the speeds have been interchanged, the total time would have been 40 minutes less. find the values of x and y.

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A motorist travels for 60km at x km/h and for 180km at y km/h, the total time for the journey being...