Did i answer the following problem right ?

How many $20 bills do you need to have to make $280

Write the slope-intercept form of the line that passes through the point (1, 0) and is parallel to x - y = 7. t

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