Question
Kimberly was travelling from Point H to Point J at a constant speed of 90 km/h. After 3 hours, she passed a car coming from the opposite direction. Kimberly travelled another 360 km to reach Point J. At this point, the car was still 54 km from Point H. What is the average speed of the car?
3 m

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Kimberly was travelling from Point H to Point J at a constant speed of 90 km/h. After 3 hours, she passed a car coming from the opposite direction. Kimberly travelled another 360 km to reach Point J. At this point, the car was still 54 km from Point H. What is the average speed of the car?