Question
Nicole started swimming at 06 00. Yoko started swimming 19 min later but stopped swimming 20 min earlier than Nicole. Nicole stopped swimming at 08 30. How long did Yoko swim? Give your answer in this format. (Eg 1 h 20 min)
2 m

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Nicole started swimming at 06 00. Yoko started swimming 19 min later but stopped swimming 20 min earlier than Nicole. Nicole stopped swimming at 08 30. How long did Yoko swim? Give your answer in this format. (Eg 1 h 20 min)