Question
A grey bus left Town Q for Town R at the same time when a silver bus left Town R to Town Q. The average speed of the grey bus and the silver bus were 56 km/h and 67 km/h respectively. The two buses passed each other at a point 22 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 Q for Town R at the same time when a silver bus left Town R to Town Q. The average speed of the grey bus and the silver bus were 56 km/h and 67 km/h respectively. The two buses passed each other at a point 22 km from the midway of the two towns. How far apart are these two towns?