1951 AHSME Problems/Problem 5

Revision as of 00:01, 29 December 2008 by Math154 (talk | contribs) (New page: Mr.<math>A</math> earns <math>1.1\cdot10,000=11,000</math> dollars after he sells it to Mr. <math>B</math>. Then, Mr. <math>B</math> sells it at a price of <math>(1-0.1)\cdot11,000=9,900</...)
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Mr.$A$ earns $1.1\cdot10,000=11,000$ dollars after he sells it to Mr. $B$. Then, Mr. $B$ sells it at a price of $(1-0.1)\cdot11,000=9,900$ collars, so Mr. $A$ ultimately earns $1,100$ dollars $\implies\boxed D$.