2011 AIME II Problems/Problem 1: Difference between revisions
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[[Category:Intermediate Geometry Problems]] | |||
Revision as of 00:10, 29 February 2012
Problem
Gary purchased a large beverage, but only drank 
of it, where 
and 
are relatively prime positive integers. If he had purchased half as much and drunk twice as much, he would have wasted only 
as much beverage. Find 
.
Solution
Let 
be the fraction consumed, then 
is the fraction wasted. We have 
, or 
, or 
or 
. Therefore, 
See also
| 2011 AIME II (Problems • Answer Key • Resources) | ||
| Preceded by First Problem |
Followed by Problem 2 | |
| 1 • 2 • 3 • 4 • 5 • 6 • 7 • 8 • 9 • 10 • 11 • 12 • 13 • 14 • 15 | ||
| All AIME Problems and Solutions | ||
