Question
Xuan started brisk walking at 08 00. Mary started brisk walking 12 min later but stopped brisk walking 3 min earlier than Xuan. Xuan stopped brisk walking at 10 05. How long did Mary brisk walk? Give your answer in this format. (Eg 1 h 20 min)
2 m

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Xuan started brisk walking at 08 00. Mary started brisk walking 12 min later but stopped brisk walking 3 min earlier than Xuan. Xuan stopped brisk walking at 10 05. How long did Mary brisk walk? Give your answer in this format. (Eg 1 h 20 min)