Difference between revisions of "University of South Carolina High School Math Contest/1993 Exam/Problem 6"
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Revision as of 10:12, 23 July 2006
Problem
After a $p%$ (Error compiling LaTeX. Unknown error_msg) price reduction, what increase does it take to restore the original price?
Solution
Let . Thus if dollars was the original price, after the price reduction, we have dollars. We need dollars. Thus, . The percentage thus is choice .