Question
Zoe was travelling from Point U to Point V at a constant speed of 70 km/h. After 5 hours, she passed a van coming from the opposite direction. Zoe travelled another 350 km to reach Point V. At this point, the van was still 45 km from Point U. What is the average speed of the van?
3 m

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Zoe was travelling from Point U to Point V at a constant speed of 70 km/h. After 5 hours, she passed a van coming from the opposite direction. Zoe travelled another 350 km to reach Point V. At this point, the van was still 45 km from Point U. What is the average speed of the van?