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Mathematics, 20.02.2020 02:56 josephsky420

I dive to 17 metres/56 feet for 47 minutes. After a 30-minute surface interval I do a second dive to 17 metres/56 feet. Losing track of time, I notice my bottom time is now 25 minutes. According to the General Rules, what should I do?

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I dive to 17 metres/56 feet for 47 minutes. After a 30-minute surface interval I do a second dive to...
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