Question
Jane was travelling from Point R to Point S at a constant speed of 85 km/h. After 2 hours, she passed a van coming from the opposite direction. Jane travelled another 85 km to reach Point S. At this point, the van was still 53 km from Point R. What is the average speed of the van?
3 m

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Jane was travelling from Point R to Point S at a constant speed of 85 km/h. After 2 hours, she passed a van coming from the opposite direction. Jane travelled another 85 km to reach Point S. At this point, the van was still 53 km from Point R. What is the average speed of the van?