Question
A red bus left Town M for Town N at the same time when a yellow bus left Town N to Town M. The average speed of the red bus and the yellow bus were 67 km/h and 79 km/h respectively. The two buses passed each other at a point 18 km from the midway of the two towns. How far apart are these two towns?
3 m

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A red bus left Town M for Town N at the same time when a yellow bus left Town N to Town M. The average speed of the red bus and the yellow bus were 67 km/h and 79 km/h respectively. The two buses passed each other at a point 18 km from the midway of the two towns. How far apart are these two towns?