Question
Joelle started swimming at 07 00. Shannon started swimming 4 min later but stopped swimming 13 min earlier than Joelle. Joelle stopped swimming at 08 30. How long did Shannon swim? Give your answer in this format. (Eg 1 h 20 min)
2 m

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Joelle started swimming at 07 00. Shannon started swimming 4 min later but stopped swimming 13 min earlier than Joelle. Joelle stopped swimming at 08 30. How long did Shannon swim? Give your answer in this format. (Eg 1 h 20 min)