Question
Anna was travelling from Point D to Point E at a constant speed of 85 km/h. After 2 hours, she passed a bus coming from the opposite direction. Anna travelled another 85 km to reach Point E. At this point, the bus was still 35 km from Point D. What is the average speed of the bus?
3 m

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Anna was travelling from Point D to Point E at a constant speed of 85 km/h. After 2 hours, she passed a bus coming from the opposite direction. Anna travelled another 85 km to reach Point E. At this point, the bus was still 35 km from Point D. What is the average speed of the bus?