Answer: The correct option is
(C) n = fraction 1 over 2.
Step-by-step explanation: We are to find the simplified form of the fraction 4 over 5 n minus fraction 1 over 5 equals fraction 2 over 5 n.
From the given information, we can write the equation as follows:

Solving the above equation, we get

Thus, the required simplified form is

Option (C) is CORRECT.