Question
Emma started travelling at 5 a.m. at a speed of 85 km/h towards a town. Bryan started travelling towards the town from the same place 2 hours later. When Emma reached the town at 5 p.m., Bryan had another 180 km to travel. What was Bryan's average speed?
3 m

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Emma started travelling at 5 a.m. at a speed of 85 km/h towards a town. Bryan started travelling towards the town from the same place 2 hours later. When Emma reached the town at 5 p.m., Bryan had another 180 km to travel. What was Bryan's average speed?