Question
Ava started travelling at 11 a.m. at a speed of 84 km/h towards a town. Amelia started travelling towards the town from the same place 3 hours later. When Ava reached the town at 8 p.m., Amelia had another 180 km to travel. What was Amelia's average speed?
3 m

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Ava started travelling at 11 a.m. at a speed of 84 km/h towards a town. Amelia started travelling towards the town from the same place 3 hours later. When Ava reached the town at 8 p.m., Amelia had another 180 km to travel. What was Amelia's average speed?