Question
Penelope was travelling from Point D to Point E at a constant speed of 75 km/h. After 5 hours, she passed a bus coming from the opposite direction. Penelope travelled another 375 km to reach Point E. At this point, the bus was still 35 km from Point D. What is the average speed of the bus?
3 m

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Penelope was travelling from Point D to Point E at a constant speed of 75 km/h. After 5 hours, she passed a bus coming from the opposite direction. Penelope travelled another 375 km to reach Point E. At this point, the bus was still 35 km from Point D. What is the average speed of the bus?