Difference between revisions of "2012 AMC 10B Problems/Problem 5"
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Revision as of 13:14, 4 July 2013
Problem 5
Anna enjoys dinner at a restaurant in Washington, D.C., where the sales tax on meals is 10%. She leaves a 15% tip on the price of her meal before the sales tax is added, and the tax is calculated on the pre-tip amount. She spends a total of 27.50 dollars for dinner. What is the cost of her dinner without tax or tip in dollars?
Solutions
Let X be the cost of her dinner.
OR
The problems on this page are copyrighted by the Mathematical Association of America's American Mathematics Competitions. 
