Question
Yoko started brisk walking at 07 00. Xuan started brisk walking 9 min later but stopped brisk walking 8 min earlier than Yoko. Yoko stopped brisk walking at 08 10. How long did Xuan brisk walk? Give your answer in this format. (Eg 1 h 20 min)
2 m

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Yoko started brisk walking at 07 00. Xuan started brisk walking 9 min later but stopped brisk walking 8 min earlier than Yoko. Yoko stopped brisk walking at 08 10. How long did Xuan brisk walk? Give your answer in this format. (Eg 1 h 20 min)