Difference between revisions of "AoPS Wiki:Problem of the Day/July 27, 2011"

(new problem)
(No difference)

Revision as of 20:27, 26 July 2011

I can buy a 15% off coupon at a store for 10 dollars. In dollars, how much money would I have to spend to make up for money I spent on the coupon?

Invalid username
Login to AoPS