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)