Question
City U and City V is 715 km apart. At 07 20, Usha, travelling at a constant speed, left City U for City V. At the same time, Ken set off from City V for City U at a constant speed which was 9 km/h faster than Usha. Find Ken's speed if they met at 12 20.
3 m

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City U and City V is 715 km apart. At 07 20, Usha, travelling at a constant speed, left City U for City V. At the same time, Ken set off from City V for City U at a constant speed which was 9 km/h faster than Usha. Find Ken's speed if they met at 12 20.