Question
In the training, Ian took 15 min 20 s to complete the 1st lap and 11 s longer to complete the 2nd lap. What was the total time Ian had taken to complete the two laps in the training? (Leave your answer in min and s)
2 m

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In the training, Ian took 15 min 20 s to complete the 1st lap and 11 s longer to complete the 2nd lap. What was the total time Ian had taken to complete the two laps in the training? (Leave your answer in min and s)