Question
City F and City G is 835 km apart. At 07 15, Erika, travelling at a constant speed, left City F for City G. At the same time, Luke set off from City G for City F at a constant speed which was 15 km/h faster than Erika. Find Luke's speed if they met at 12 15.
3 m

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City F and City G is 835 km apart. At 07 15, Erika, travelling at a constant speed, left City F for City G. At the same time, Luke set off from City G for City F at a constant speed which was 15 km/h faster than Erika. Find Luke's speed if they met at 12 15.