Question
Pierre and Will 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, Will took a rest until Pierre caught up with him. How long did Will rest? Express your answer in min.
3 m

Click button first when a symbol is required. X

Pierre and Will 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, Will took a rest until Pierre caught up with him. How long did Will rest? Express your answer in min.