Problem:
Heather compares the price of a new computer at two different stores. Store A offers off the sticker price followed by a rebate, and store B offers off the same sticker price with no rebate. Heather saves by buying the computer at store A instead of store B. What is the sticker price of the computer, in dollars?
Answer Choices:
A.
B.
C.
D.
E.
Solution:
Let denote the sticker price, in dollars. Heather pays dollars at store and would have paid dollars at store B. Thus the sticker price satisfies , so .
The problems on this page are the property of the MAA's American Mathematics Competitions