Question
Xylia was travelling from Point U to Point V at a constant speed of 85 km/h. After 4 hours, she passed a car coming from the opposite direction. Xylia travelled another 170 km to reach Point V. At this point, the car was still 50 km from Point U. What is the average speed of the car?
3 m

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Xylia was travelling from Point U to Point V at a constant speed of 85 km/h. After 4 hours, she passed a car coming from the opposite direction. Xylia travelled another 170 km to reach Point V. At this point, the car was still 50 km from Point U. What is the average speed of the car?