Final answer:
To find Yevgeni's monthly salary before withholdings, add the amount withheld for Medicare to his paycheck. The correct option is B. $4,100.
Step-by-step explanation:
To determine Yevgeni's monthly salary before withholdings, we need to add the amount withheld for Medicare to the paycheck Yevgeni received. Since $79.75 was withheld for Medicare, we can subtract this amount from the total monthly paycheck to get the monthly salary before withholdings.
Let's assume Yevgeni's total monthly paycheck is X.
X - $79.75 = Yevgeni's monthly salary before withholdings
To find the value of X, we need to add $79.75 to Yevgeni's monthly salary before withholdings.
Therefore, the correct option is B. $4,100, as this amount plus $79.75 equals Yevgeni's total monthly paycheck.