Question
Zoe was travelling from Point Z to Point A at a constant speed of 100 km/h. After 5 hours, she passed a car coming from the opposite direction. Zoe travelled another 500 km to reach Point A. At this point, the car was still 30 km from Point Z. What is the average speed of the car?
3 m

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Zoe was travelling from Point Z to Point A at a constant speed of 100 km/h. After 5 hours, she passed a car coming from the opposite direction. Zoe travelled another 500 km to reach Point A. At this point, the car was still 30 km from Point Z. What is the average speed of the car?