Question
City H and City J is 770 km apart. At 06 35, Fiona, travelling at a constant speed, left City H for City J. At the same time, Sean set off from City J for City H at a constant speed which was 12 km/h faster than Fiona. Find Sean's speed if they met at 11 35.
3 m

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City H and City J is 770 km apart. At 06 35, Fiona, travelling at a constant speed, left City H for City J. At the same time, Sean set off from City J for City H at a constant speed which was 12 km/h faster than Fiona. Find Sean's speed if they met at 11 35.