Question
City U and City V were 636 km apart. At 11.39 a.m., Parry set off from City U travelling at 99 km/h towards City V, while Jan set off from City V travelling towards City U. They met on their way at 3.39 p.m. Find Jan's average speed.
3 m

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City U and City V were 636 km apart. At 11.39 a.m., Parry set off from City U travelling at 99 km/h towards City V, while Jan set off from City V travelling towards City U. They met on their way at 3.39 p.m. Find Jan's average speed.