Two runners start from the same point of a circular track in opposite directions at 6 m/s and 4 m/s. At their first meeting the faster has run 180 m more than the slower. How long is the track?

Question

Accepted Answer

900 m. The faster gains 2 m every second, so 180 m takes 90 s. Together they cover 10×90=900 m, which is one lap.

Two runners start from the same point of a circular track in opposite directions at 6 m/s and 4 m/s. At their first meeting the faster has run 180 m more than the slower. How long is the track?

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