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Question

A rectangular chicken yard was built against an existing barn wall (as shown in the picture). 30 m of fencing was used to enclose the yard.

a) Find the dimensions of the yard its area is 108 m!

How to solve this problem..?
8 years ago

Answers

Steve
xy = 108
x+2y = 30
x + 2(108/x) = 30
x^2 - 30x + 216 = 0
(x-12)(x-18) = 0

The yard is 12x9
8 years ago

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