Difference between revisions of "1997 AIME Problems/Problem 2"
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== Problem == | == Problem == | ||
+ | The nine horizontal and nine vertical lines on an <math>8\times8</math> checkeboard form <math>r</math> rectangles, of which <math>s</math> are squares. The number <math>s/r</math> can be written in the form <math>m/n,</math> where <math>m</math> and <math>n</math> are relatively prime positive integers. Find <math>m + n.</math> | ||
== Solution == | == Solution == |
Revision as of 11:18, 11 October 2007
Problem
The nine horizontal and nine vertical lines on an checkeboard form
rectangles, of which
are squares. The number
can be written in the form
where
and
are relatively prime positive integers. Find