Suppose that you took out a loan at 10% interest for 278 days. if the amount of interest was $761.64, use the exact interest method to find the amount of principal you borrowed. (round to the nearest whole dollar)

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