Art of Problem Solving
AoPS Online
Math texts, online classes, and more
for students in grades 5-12.
Visit AoPS Online ‚
Books for Grades 5-12 Online Courses
Beast Academy
Engaging math books and online learning
for students ages 6-13.
Visit Beast Academy ‚
Books for Ages 6-13 Beast Academy Online
AoPS Academy
Small live classes for advanced math
and language arts learners in grades 2-12.
Visit AoPS Academy ‚
Find a Physical Campus Visit the Virtual Campus

AoPS Wiki talk:Problem of the Day/July 27, 2011

Revision as of 18:51, 27 July 2011 by Fractals (talk | contribs) (→‎Solution)
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)

Problem

AoPSWiki:Problem of the Day/July 27, 2011

Solution

You spent 10 dollars buying the coupon, so you must save 10 dollars on something else. So, $0.15x=10$ and $x=10\div 0.15 \approx 66.67$ --Michelangelo 21:20, 26 July 2011 (EDT)

Retrieved from "https://artofproblemsolving.com/wiki/index.php?title=AoPS_Wiki_talk:Problem_of_the_Day/July_27,_2011&oldid=40703"