A fence is to be built to enclose a rectangular area of 1800 square feet. The fence along three sides is to be made of material that costs $3 per foot. The material for the fourth side costs $9 per foot. Find the dimensions of the rectangle that will allow for the most economical fence to be built.
A fence is to be built to enclose a rectangular area of 1800 square feet. The fence along three sides is to be made of material that costs $3 per foot. The material for the fourth side costs $9 per foot. Find the dimensions of the rectangle that will allow for the most economical fence to be built.
Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
Chapter8: Areas Of Polygons And Circles
Section8.2: Perimeter And Area Of Polygons
Problem 31E: Mary Frances has a rectangular garden plot that encloses an area of 48 yd2. If 28 yd of fencing are...
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Transcribed Image Text:A fence is to be built to enclose a rectangular area of 1800 square feet. The fence along three sides is to be made of material
that costs $3 per foot. The material for the fourth side costs $9 per foot. Find the dimensions of the rectangle that will allow
for the most economical fence to be built.
The short side is ft and the long side is ft.
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