Question
City K and City L were 390 km apart. At 9.39 a.m., Parry set off from City K travelling at 73 km/h towards City L, while Jan set off from City L travelling towards City K. They met on their way at 12.39 p.m. Find Jan's average speed.
3 m

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City K and City L were 390 km apart. At 9.39 a.m., Parry set off from City K travelling at 73 km/h towards City L, while Jan set off from City L travelling towards City K. They met on their way at 12.39 p.m. Find Jan's average speed.