Question
Opal was travelling from Point E to Point F at a constant speed of 60 km/h. After 4 hours, she passed a van coming from the opposite direction. Opal travelled another 120 km to reach Point F. At this point, the van was still 58 km from Point E. What is the average speed of the van?
3 m

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Opal was travelling from Point E to Point F at a constant speed of 60 km/h. After 4 hours, she passed a van coming from the opposite direction. Opal travelled another 120 km to reach Point F. At this point, the van was still 58 km from Point E. What is the average speed of the van?