Question
Penelope was travelling from Point M to Point N at a constant speed of 75 km/h. After 4 hours, she passed a sports car coming from the opposite direction. Penelope travelled another 375 km to reach Point N. At this point, the sports car was still 45 km from Point M. What is the average speed of the sports car?
3 m

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Penelope was travelling from Point M to Point N at a constant speed of 75 km/h. After 4 hours, she passed a sports car coming from the opposite direction. Penelope travelled another 375 km to reach Point N. At this point, the sports car was still 45 km from Point M. What is the average speed of the sports car?