Answer
The equation determine the number of m months that James has paid a fee to the gym is option ( A).
i.e 30 + 25m = 205
Reason
As given in the question
sign-up fee to join Big Mike's gym is $30.
The monthly fee is $25
James total paid in fees since he joined the gym = $ 205
the number of months be m
Than the equation become in the form
30 + 25×m = 205
30 + 25m = 205
Hence proved