Question
Nicole was travelling from Point R to Point S at a constant speed of 70 km/h. After 5 hours, she passed a van coming from the opposite direction. Nicole travelled another 280 km to reach Point S. At this point, the van was still 54 km from Point R. What is the average speed of the van?
3 m

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Nicole was travelling from Point R to Point S at a constant speed of 70 km/h. After 5 hours, she passed a van coming from the opposite direction. Nicole travelled another 280 km to reach Point S. At this point, the van was still 54 km from Point R. What is the average speed of the van?