- A rectangular field with one side along a river is to be fenced. Suppose that no fence is needed along the river, the fence on the side opposite the river costs $40 per foot, and the fence on the other sides costs $10 per foot. If the field must contain 45,000 square feet, what dimensions will minimize cost?

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
Chapter3: Triangles
Section3.5: Inequalities In A Triangles
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. A rectangular field with one side along a river is to be fenced. Suppose that no fence
is needed along the river, the fence on the side opposite the river costs $40 per foot,
and the fence on the other sides costs $10 per foot. If the field must contain 45,000
square feet, what dimensions will minimize cost?
Transcribed Image Text:. A rectangular field with one side along a river is to be fenced. Suppose that no fence is needed along the river, the fence on the side opposite the river costs $40 per foot, and the fence on the other sides costs $10 per foot. If the field must contain 45,000 square feet, what dimensions will minimize cost?
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