Question
Barbara was travelling from Point X to Point Y at a constant speed of 65 km/h. After 4 hours, she passed a car coming from the opposite direction. Barbara travelled another 130 km to reach Point Y. At this point, the car was still 40 km from Point X. What is the average speed of the car?
3 m

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Barbara was travelling from Point X to Point Y at a constant speed of 65 km/h. After 4 hours, she passed a car coming from the opposite direction. Barbara travelled another 130 km to reach Point Y. At this point, the car was still 40 km from Point X. What is the average speed of the car?