Question
Rachel was travelling from Point E to Point F at a constant speed of 85 km/h. After 5 hours, she passed a lorry coming from the opposite direction. Rachel travelled another 255 km to reach Point F. At this point, the lorry was still 50 km from Point E. What is the average speed of the lorry?
3 m

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Rachel was travelling from Point E to Point F at a constant speed of 85 km/h. After 5 hours, she passed a lorry coming from the opposite direction. Rachel travelled another 255 km to reach Point F. At this point, the lorry was still 50 km from Point E. What is the average speed of the lorry?