Question
Risa started canoeing at 09 00. Yen started canoeing 10 min later but stopped canoeing 13 min earlier than Risa. Risa stopped canoeing at 10 30. How long did Yen canoe? Give your answer in this format. (Eg 1 h 20 min)
2 m

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Risa started canoeing at 09 00. Yen started canoeing 10 min later but stopped canoeing 13 min earlier than Risa. Risa stopped canoeing at 10 30. How long did Yen canoe? Give your answer in this format. (Eg 1 h 20 min)