Question
Cathy was travelling from Point U to Point V at a constant speed of 100 km/h. After 3 hours, she passed a van coming from the opposite direction. Cathy travelled another 400 km to reach Point V. At this point, the van was still 32 km from Point U. What is the average speed of the van?
3 m

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Cathy was travelling from Point U to Point V at a constant speed of 100 km/h. After 3 hours, she passed a van coming from the opposite direction. Cathy travelled another 400 km to reach Point V. At this point, the van was still 32 km from Point U. What is the average speed of the van?