If you know 81+23=104 then what is 81+20?

What is the perimeter of a rectangular building that is 80 feet wide and 140 feet deep?

In angle pqr find the measure of

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