Question
City R and City S were 447 km apart. At 10.40 a.m., Parry set off from City R travelling at 70 km/h towards City S, while Jan set off from City S travelling towards City R. They met on their way at 1.40 p.m. Find Jan's average speed.
3 m

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City R and City S were 447 km apart. At 10.40 a.m., Parry set off from City R travelling at 70 km/h towards City S, while Jan set off from City S travelling towards City R. They met on their way at 1.40 p.m. Find Jan's average speed.