Question
Jayden started travelling at 7 a.m. at a speed of 63 km/h towards a town. Sophia started travelling towards the town from the same place 4 hours later. When Jayden reached the town at 7 p.m., Sophia had another 180 km to travel. What was Sophia's average speed?
3 m

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Jayden started travelling at 7 a.m. at a speed of 63 km/h towards a town. Sophia started travelling towards the town from the same place 4 hours later. When Jayden reached the town at 7 p.m., Sophia had another 180 km to travel. What was Sophia's average speed?