Question
Dylan and Bryan started running a 14-km cross-country race together at a speed of 12 km/h and 15 km/h respectively. At the halfway mark, Bryan took a rest until Dylan caught up with him. How long did Bryan rest? Express your answer in min.
3 m

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Dylan and Bryan started running a 14-km cross-country race together at a speed of 12 km/h and 15 km/h respectively. At the halfway mark, Bryan took a rest until Dylan caught up with him. How long did Bryan rest? Express your answer in min.