The equation that can be used to represent the quotient will be 85/n - 55.
From the information given, it was stated that the quotient of 85 and a number n decreased by 55.
This means they we've to divide 85 by n as subtract 55 from it. This will be:
= 85/n - 55
In conclusion, the correct option is 85/n - 55.
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