The whole 12 weeks she will make $2,172.
Her employer takes $421.2 for federal income tax.
Her employer takes $174.1 for Social Security.
Her employer takes $40.7 for Medicare.
She makes $181 a week.
N/-3>4-5
then you can just times by -3 to get n on it's own
n>-3(4-5)
n>-3*-1
n>3