Question
Gem was travelling from Point P to Point Q at a constant speed of 75 km/h. After 4 hours, she passed a bus coming from the opposite direction. Gem travelled another 300 km to reach Point Q. At this point, the bus was still 32 km from Point P. What is the average speed of the bus?
3 m

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Gem was travelling from Point P to Point Q at a constant speed of 75 km/h. After 4 hours, she passed a bus coming from the opposite direction. Gem travelled another 300 km to reach Point Q. At this point, the bus was still 32 km from Point P. What is the average speed of the bus?