Difference between revisions of "AoPS Wiki talk:Problem of the Day/July 27, 2011"
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+ | You spent 10 dollars buying the coupon, so you must save 10 dollars on something else. So, <math> 0.15x=10 </math> and <math> x=10\div 0.15 \approx 66.67 </math> | ||
+ | --[[User:Michelangelo|Michelangelo]] 21:20, 26 July 2011 (EDT) |
Latest revision as of 18:51, 27 July 2011
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, and --Michelangelo 21:20, 26 July 2011 (EDT)