Question
City K and City L is 828 km apart. At 09 35, Marion, travelling at a constant speed, left City K for City L. At the same time, Pierre set off from City L for City K at a constant speed which was 8 km/h faster than Marion. Find Pierre's speed if they met at 15 35.
3 m

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City K and City L is 828 km apart. At 09 35, Marion, travelling at a constant speed, left City K for City L. At the same time, Pierre set off from City L for City K at a constant speed which was 8 km/h faster than Marion. Find Pierre's speed if they met at 15 35.