Question
City Q and City R is 812 km apart. At 06 50, Diana, travelling at a constant speed, left City Q for City R. At the same time, Fabian set off from City R for City Q at a constant speed which was 10 km/h faster than Diana. Find Fabian's speed if they met at 13 50.
3 m

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City Q and City R is 812 km apart. At 06 50, Diana, travelling at a constant speed, left City Q for City R. At the same time, Fabian set off from City R for City Q at a constant speed which was 10 km/h faster than Diana. Find Fabian's speed if they met at 13 50.