According to general rules, what you can do now is; Ascend right away to 15 feet and stay there for 8 minutes before going to the surface and not dive for 6 hours
We are given;
Initial distance dived = 56 feet
Time for initial dive = 47 minutes
Time from finishing of initial dive to start of second dive = 30 minutes
Second dive distance = 56 ft
Her current bottom time is now 25 minutes
Now, bottom time is defined as the total time, in minutes, from the beginning of a descent to the beginning of an ascent.
Thus, according to general rules, what you can do now is to Ascend right away to 15 feet and stay there for 8 minutes before going to the surface and not dive for 6 hours
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