Question
Emily started travelling at 7 a.m. at a speed of 64 km/h towards a town. Emma started travelling towards the town from the same place 5 hours later. When Emily reached the town at 7 p.m., Emma had another 180 km to travel. What was Emma's average speed?
3 m

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Emily started travelling at 7 a.m. at a speed of 64 km/h towards a town. Emma started travelling towards the town from the same place 5 hours later. When Emily reached the town at 7 p.m., Emma had another 180 km to travel. What was Emma's average speed?