Difference between revisions of "AoPS Wiki talk:Problem of the Day/July 27, 2011"
Michelangelo (talk | contribs) (→Solution) |
(→Solution) |
||
(One intermediate revision by one other user not shown) | |||
Line 3: | Line 3: | ||
==Solution== | ==Solution== | ||
− | 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 | + | 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)