Question
A purple bus left Town U for Town V at the same time when a grey bus left Town V to Town U. The average speed of the purple bus and the grey bus were 70 km/h and 78 km/h respectively. The two buses passed each other at a point 28 km from the midway of the two towns. How far apart are these two towns?
3 m

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A purple bus left Town U for Town V at the same time when a grey bus left Town V to Town U. The average speed of the purple bus and the grey bus were 70 km/h and 78 km/h respectively. The two buses passed each other at a point 28 km from the midway of the two towns. How far apart are these two towns?