Question
Hilda was travelling from Point N to Point P at a constant speed of 80 km/h. After 5 hours, she passed a van coming from the opposite direction. Hilda travelled another 320 km to reach Point P. At this point, the van was still 40 km from Point N. What is the average speed of the van?
3 m

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Hilda was travelling from Point N to Point P at a constant speed of 80 km/h. After 5 hours, she passed a van coming from the opposite direction. Hilda travelled another 320 km to reach Point P. At this point, the van was still 40 km from Point N. What is the average speed of the van?