Joan's gross pay is $400, from which $24.80 is deducted for OASDI, $5.20 for Medicare, and $45 for income tax. What is her net pay?

1 answer

The total amount deducted from Joan's gross pay is $24.80 + $5.20 + $45 = $<<24.80+5.20+45=75>>75.
Therefore, her net pay is $400 - $75 = $<<400-75=325>>325. Answer: \boxed{325}.