1986 AJHSME Problems/Problem 18
Revision as of 17:59, 21 January 2009 by 5849206328x (talk | contribs) (New page: ==Problem== A rectangular grazing area is to be fenced off on three sides using part of a <math>100</math> meter rock wall as the fourth side. Fence posts are to be placed every <math>12...)
Problem
A rectangular grazing area is to be fenced off on three sides using part of a 
meter rock wall as the fourth side. Fence posts are to be placed every 
meters along the fence including the two posts where the fence meets the rock wall. What is the fewest number of posts required to fence an area 
m by 
m?
![[asy] draw((0,0)--(16,12)); draw((5.33333,4)--(10.66666,8)--(6.66666,13.33333)--(1.33333,9.33333)--cycle); label("WALL",(7,4),SE); [/asy]](http://latex.artofproblemsolving.com/9/f/6/9f677c812f97fa0da5dfc92a4b9904087f4d189f.png)
Solution
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