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A rectangular field is to be enclosed on four sides with a fence. Fencing costs $2 per foot for two opposite sides, and $4 per foot for the other two sides. Find the dimensions of the field of area 820 ft² that would be the cheapest to enclose. Round to the nearest tenth. A. 6.4 ft at $2 by 12.8 ft at $4 B. 12.8 ft at $2 by 6.4 ft at $4 OC. 4.5 ft at $2 by 18.1 ft at $4 O D. 18.1 ft at $2 by 4.5 ft at $4

A rectangular field is to be enclosed on four sides with a fence. Fencing costs $2 per foot for two opposite sides, and $4 per foot for the other two sides. Find the dimensions of the field of area 820 ft² that would be the cheapest to enclose. Round to the nearest tenth. A. 6.4 ft at $2 by 12.8 ft at $4 B. 12.8 ft at $2 by 6.4 ft at $4 OC. 4.5 ft at $2 by 18.1 ft at $4 O D. 18.1 ft at $2 by 4.5 ft at $4

Elementary Geometry For College Students, 7e
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
Problem 39E
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A rectangular field is to be enclosed on four sides with a fence. Fencing costs $2 per foot for two opposite sides, and $4 per foot for the other two sides. Find the dimensions of the field of area 820 ft² that would be the cheapest to enclose. Round to the nearest tenth. OA. 6.4 ft at $2 by 12.8 ft at $4 B. 12.8 ft at $2 by 6.4 ft at $4 C. 4.5 ft at $2 by 18.1 ft at $4 D. 18.1 ft at $2 by 4.5 ft at $4
Transcribed Image Text:A rectangular field is to be enclosed on four sides with a fence. Fencing costs $2 per foot for two opposite sides, and $4 per foot for the other two sides. Find the dimensions of the field of area 820 ft² that would be the cheapest to enclose. Round to the nearest tenth. OA. 6.4 ft at $2 by 12.8 ft at $4 B. 12.8 ft at $2 by 6.4 ft at $4 C. 4.5 ft at $2 by 18.1 ft at $4 D. 18.1 ft at $2 by 4.5 ft at $4
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