Question
City Y and City Z were 417 km apart. At 7.50 a.m., Parry set off from City Y travelling at 72 km/h towards City Z, while Jan set off from City Z travelling towards City Y. They met on their way at 10.50 a.m. Find Jan's average speed.
3 m

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City Y and City Z were 417 km apart. At 7.50 a.m., Parry set off from City Y travelling at 72 km/h towards City Z, while Jan set off from City Z travelling towards City Y. They met on their way at 10.50 a.m. Find Jan's average speed.