Jamal bought 4 shirts. the sales tax is 5% if the price before tax was 16$ how much money did jamal spend including tax i need with this question and explain what i have to do

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