Given: FICA (7.65%)
Total tax deduction of a weekly paycheck equal to 7.65% of Weekly pay check. Mathematically, ' of ' means times and % means /100.
For weekly pay $180.00,
Tax deduction = 7.65% × 180 = 0.0765 × 180 = $13.77
For weekly pay $350.00,
Tax deduction = 7.65% × 350 = 0.0765 × 350 = $26.775
For weekly pay $600.00,
Tax deduction = 7.65% × 600 = 0.0765 × 600 = $45.9