Miss blue's gross pay is $903.75. assuming 7.65% social security withholding, how much should her employer withhold from her check for social security?

Miss Blue's gross pay is 903.75 dollars.
=> the rate of the Social Security is 7.65%.
Now, let's solve for the amount that the employer should withhold from her salary.
=> 903.75 dollars * .0765 = 69.137 dollars will be deducted to her salary.
=> 903.75 dollars - 69.137 dollars = 834.61 dollars is the remaining of her salary.

Aand b is what i think