Question
Zoey started travelling at 11 a.m. at a speed of 80 km/h towards a town. Jamie started travelling towards the town from the same place 3 hours later. When Zoey reached the town at 7 p.m., Jamie had another 180 km to travel. What was Jamie's average speed?
3 m

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Zoey started travelling at 11 a.m. at a speed of 80 km/h towards a town. Jamie started travelling towards the town from the same place 3 hours later. When Zoey reached the town at 7 p.m., Jamie had another 180 km to travel. What was Jamie's average speed?