Question
Ivory was travelling from Point J to Point K at a constant speed of 60 km/h. After 3 hours, she passed a bus coming from the opposite direction. Ivory travelled another 120 km to reach Point K. At this point, the bus was still 60 km from Point J. What is the average speed of the bus?
3 m

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Ivory was travelling from Point J to Point K at a constant speed of 60 km/h. After 3 hours, she passed a bus coming from the opposite direction. Ivory travelled another 120 km to reach Point K. At this point, the bus was still 60 km from Point J. What is the average speed of the bus?