Question
A grey bus left Town K for Town L at the same time when a red bus left Town L to Town K. The average speed of the grey bus and the red bus were 60 km/h and 68 km/h respectively. The two buses passed each other at a point 20 km from the midway of the two towns. How far apart are these two towns?
3 m

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A grey bus left Town K for Town L at the same time when a red bus left Town L to Town K. The average speed of the grey bus and the red bus were 60 km/h and 68 km/h respectively. The two buses passed each other at a point 20 km from the midway of the two towns. How far apart are these two towns?