Free points 30 but must answer my Previous question plz rn

What is (28 + 7 + 6 + 3) x 1/2 show your work

Determine the number of girls in a math class with 87 boys if there are 25 girls for every 75 boys

3women sell hats at a craft fair weekly. the money they make at the fair is split into categories. 9% goes to pay taxes. $55 goes to pay rent for the space they sell in. the rest is split between the women. if the group make $706 at the fair, how much does each women get paid once the money is divided