Question
Kathy was travelling from Point R to Point S at a constant speed of 100 km/h. After 5 hours, she passed a bus coming from the opposite direction. Kathy travelled another 400 km to reach Point S. At this point, the bus was still 32 km from Point R. What is the average speed of the bus?
3 m

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Kathy was travelling from Point R to Point S at a constant speed of 100 km/h. After 5 hours, she passed a bus coming from the opposite direction. Kathy travelled another 400 km to reach Point S. At this point, the bus was still 32 km from Point R. What is the average speed of the bus?