Question
Elijah started travelling at 8 a.m. at a speed of 76 km/h towards a town. Sofia started travelling towards the town from the same place 3 hours later. When Elijah reached the town at 5 p.m., Sofia had another 180 km to travel. What was Sofia's average speed?
3 m

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Elijah started travelling at 8 a.m. at a speed of 76 km/h towards a town. Sofia started travelling towards the town from the same place 3 hours later. When Elijah reached the town at 5 p.m., Sofia had another 180 km to travel. What was Sofia's average speed?