Question
A black bus left Town S for Town T at the same time when a white bus left Town T to Town S. The average speed of the black bus and the white bus were 70 km/h and 88 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 black bus left Town S for Town T at the same time when a white bus left Town T to Town S. The average speed of the black bus and the white bus were 70 km/h and 88 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?