The maximum rate, r, that the scuba diver may descend is r⤠11.2
Given the following parameters:
If the scuba diver reaches a depth no more than 65.1 feet below sea level, then;
r ⤠(65.1 - 14.7)/4.5
r⤠50.4/4.5
r⤠11.2
Hence the maximum rate, r, that the scuba diver may descend is r⤠11.2
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