Question
Zoe was travelling from Point A to Point B at a constant speed of 85 km/h. After 3 hours, she passed a bus coming from the opposite direction. Zoe travelled another 170 km to reach Point B. At this point, the bus was still 39 km from Point A. What is the average speed of the bus?
3 m

Click button first when a symbol is required. X

Zoe was travelling from Point A to Point B at a constant speed of 85 km/h. After 3 hours, she passed a bus coming from the opposite direction. Zoe travelled another 170 km to reach Point B. At this point, the bus was still 39 km from Point A. What is the average speed of the bus?