Question
Gillian was travelling from Point Q to Point R at a constant speed of 85 km/h. After 3 hours, she passed a car coming from the opposite direction. Gillian travelled another 255 km to reach Point R. At this point, the car was still 33 km from Point Q. What is the average speed of the car?
3 m

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Gillian was travelling from Point Q to Point R at a constant speed of 85 km/h. After 3 hours, she passed a car coming from the opposite direction. Gillian travelled another 255 km to reach Point R. At this point, the car was still 33 km from Point Q. What is the average speed of the car?