SOLUTION: Hi, could someone please help me with this problem? You want a fence in a rectangular area,but first you must determine the dimensions of the area. 2) Define the shape of the re

Question 461474: Hi, could someone please help me with this problem?
You want a fence in a rectangular area,but first you must determine the dimensions of the area. 2) Define the shape of the rectangular area by establishing a relationship between the length and the width of the rectangular,for example, L=2w+5 or w=3L-4, be sure to include the appropriate units(inches, feet, yards, miles or meters).Using the fact that A=LW,together with the relationship in stept 2, eliminate one of the variables to set up a quadratic equation
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
You want a fence in a rectangular area,but first you must determine the dimensions of the area.
2) Define the shape of the rectangular area by establishing a relationship between the length and the width of the rectangular,for example,
L=2w+5 or w=3L-4, be sure to include the appropriate units(inches, feet, yards, miles or meters).
Using the fact that A=LW,together with the relationship in stept 2, eliminate one of the variables to set up a quadratic equation
-----
Area = LW
Area = (2w+5)(3L-4)
---
Substitute for "w" to get:
Area = (2(3L-4)+5)(3L-4)
---
Area = (6L-3)(3L-4)
----
Area = 18L^2-24L-9L+24
----
Area = (18L^2-33L+24) sq.ft
===========================
Cheers,
Stan H.

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