Question
Abigail started travelling at 11 a.m. at a speed of 68 km/h towards a town. Samantha started travelling towards the town from the same place 3 hours later. When Abigail reached the town at 8 p.m., Samantha had another 180 km to travel. What was Samantha's average speed?
3 m

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Abigail started travelling at 11 a.m. at a speed of 68 km/h towards a town. Samantha started travelling towards the town from the same place 3 hours later. When Abigail reached the town at 8 p.m., Samantha had another 180 km to travel. What was Samantha's average speed?