Question
City D and City E were 310 km apart. At 10.45 a.m., Parry set off from City D travelling at 97 km/h towards City E, while Jan set off from City E travelling towards City D. They met on their way at 12.45 p.m. Find Jan's average speed.
3 m

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City D and City E were 310 km apart. At 10.45 a.m., Parry set off from City D travelling at 97 km/h towards City E, while Jan set off from City E travelling towards City D. They met on their way at 12.45 p.m. Find Jan's average speed.