if the area of a square backyard is 81 square feet and there is a fence around the whole thing, how many feet of fence did the owner have to buy when he first put it in

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