Raymond B. answered 02/06/23
Math, microeconomics or criminal justice
y=c- .1c= .9c
y+c =790
.9c +c =790
1.9c =790
c = 790/1.9 = $415.79 for your coworker
y = 790- 415.79= $374.21 for your pay check
415.79 x 10% = about 41.58
415.79-41.58 = about 374.21