2002 AMC 8 Problems/Problem 14
A merchant offers a large group of items at off. Later, the merchant takes off these sale prices and claims that the final price of these items is off the original price. The total discount is
Let's assume that each item is $$/100$ (Error compiling LaTeX. ! Misplaced alignment tab character &.). First we take off off of $100. $70
Next, we take off the extra as asked by the problem.
So the final price of an item is $56. We have to do because was the final price and we wanted the discount.
so the final discount was
Assume the price was $100. We can just do and then do That is the discount percentage wise.