Wanda shops for books during a 20% off sale. What percent of the original price of a book does Wanda pay during the sale?

100%-20%=80%

Write an equation that relates the sale price, s, to the original price, p.
80% of p=s 80/100 / 8/10=0.8

Complete the table to show how much Wanda pays for books during the sale.

Original Price in Dollars (p)
1
2
3
4
5
6
7
8
9
10
Sale Price in Dollars (s)

Circle a has a diameter of 7 inches, a circumference of 21.98 inches, and an area of 38.465 square inches. the diameter of circle b is 6 inches, the circumference is 18.84 inches, and the area is 28.26 square inches. part a: using the formula for circumference, solve for the value of pi for each circle. (4 points) part b: use the formula for area and solve for the value of pi for each circle. (4 points)