the top and bottom margins of a poster are each 9 cm and the side margins are each 6 cm. the area of printed material on the poster is fixed at 864 cm2. find the dimensions of the printed area that minimize the area of the whole poster.

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