Question: Two runners start simultaneously from the same point on a circular 200-m track and run in opposite directions. One runs at a constant speed of

Two runners start simultaneously from the same point on a circular 200-m track and run in opposite directions. One runs at a constant speed of 6.20 m/s, and the other runs at a constant speed of 5.50 m/s. When they first meet,
(a) For how long a time will they have been running, and
(b) How far will each one have run along the track?

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