A salesperson at a jewelry store earns 3% commission each week. Last week, Heidi sold $720 worth of jewelry.
a. How much did she make in commission?
b. How much did the jewelry store make from her sales?

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