Question
Lynn was travelling from Point Q to Point R at a constant speed of 90 km/h. After 3 hours, she passed a sports car coming from the opposite direction. Lynn travelled another 270 km to reach Point R. At this point, the sports car was still 45 km from Point Q. What is the average speed of the sports car?
3 m

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Lynn was travelling from Point Q to Point R at a constant speed of 90 km/h. After 3 hours, she passed a sports car coming from the opposite direction. Lynn travelled another 270 km to reach Point R. At this point, the sports car was still 45 km from Point Q. What is the average speed of the sports car?