Clare has a scratch-off coupon to be used on one pair of shoes. If the original price of the shoes is `\$87.50` and she pays `\$70`, what percent off does she receive with her coupon?

Tomas used 3 1/3 cups of flour and now has 1 2/3cups left. which equation can he use to find f, the number of cups of flour he had to begin with? f+3 1/3=1 2/3 f-3 1/3=1 2/3 3 1/3f=1 2/3 f/3 1/3=1 2/3