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AoPS Wiki:Problem of the Day/June 26, 2011

< AoPS Wiki:Problem of the Day
Revision as of 18:51, 25 June 2011 by Btilm305 (talk | contribs) (Protected "AoPSWiki:Problem of the Day/June 26, 2011": Problem of the Day ([edit=sysop] (indefinite) [move=sysop] (indefinite)))
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John goes to the store and buys a new calculator. The price after the $7\%$ sales tax is applied is <dollar/>$13.91$. What was the price of the calculator before tax was applied?

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