Question
City F and City G is 720 km apart. At 09 35, Gwen, travelling at a constant speed, left City F for City G. At the same time, David set off from City G for City F at a constant speed which was 8 km/h faster than Gwen. Find David's speed if they met at 14 35.
3 m

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City F and City G is 720 km apart. At 09 35, Gwen, travelling at a constant speed, left City F for City G. At the same time, David set off from City G for City F at a constant speed which was 8 km/h faster than Gwen. Find David's speed if they met at 14 35.