Difference between revisions of "2000 AIME I Problems/Problem 7"

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== Problem ==
 
== Problem ==
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Suppose that <math>x,</math> <math>y,</math> and <math>z</math> are three positive numbers that satisfy the equations <math>xyz = 1,</math> <math>x + \frac {1}{z} = 5,</math> and <math>y + \frac {1}{x} = 29.</math> Then <math>z + \frac {1}{y} = \frac {m}{n},</math> where <math>m</math> and <math>n</math> are relatively prime positive integers. Find <math>m + n</math>.
  
 
== Solution ==
 
== Solution ==
 
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== See also ==
 
== See also ==
* [[2000 AIME I Problems/Problem 6 | Previous problem]]
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{{AIME box|year=2000|n=I|num-b=6|num-a=8}}
* [[2000 AIME I Problems/Problem 8 | Next problem]]
 
* [[2000 AIME I Problems]]
 

Revision as of 18:29, 11 November 2007

Problem

Suppose that $x,$ $y,$ and $z$ are three positive numbers that satisfy the equations $xyz = 1,$ $x + \frac {1}{z} = 5,$ and $y + \frac {1}{x} = 29.$ Then $z + \frac {1}{y} = \frac {m}{n},$ where $m$ and $n$ are relatively prime positive integers. Find $m + n$.

Solution

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See also

2000 AIME I (ProblemsAnswer KeyResources)
Preceded by
Problem 6
Followed by
Problem 8
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All AIME Problems and Solutions