Minimizing Construction Costs The management of UNICO Department Store decides to enclose an 1440 ft2 area outside their building to display potted plants. The enclosed area will be a rectangle, one side of which is provided by the external wall of the store. Two sides of the enclosure will be made of pine board, and the fourth side will be made of galvanized steel fencing material. (Note: Figure is not drawn to scale.) If the pine board fencing costs $8.00/running foot and the steel fencing costs $4.00/running foot, determine the dimensions of the enclosure (in ft) that will cost the least to erect. (Round your answers to one decimal place.) steel side each pine side 10 STORE ft ft Wood Wood Steel 0
Minimizing Construction Costs The management of UNICO Department Store decides to enclose an 1440 ft2 area outside their building to display potted plants. The enclosed area will be a rectangle, one side of which is provided by the external wall of the store. Two sides of the enclosure will be made of pine board, and the fourth side will be made of galvanized steel fencing material. (Note: Figure is not drawn to scale.) If the pine board fencing costs $8.00/running foot and the steel fencing costs $4.00/running foot, determine the dimensions of the enclosure (in ft) that will cost the least to erect. (Round your answers to one decimal place.) steel side each pine side 10 STORE ft ft Wood Wood Steel 0
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Transcribed Image Text:Minimizing Construction Costs The management of UNICO Department Store decides to enclose an 1440 ft2 area outside their building to display potted plants. The enclosed area will be a rectangle, one
side of which is provided by the external wall of the store. Two sides of the enclosure will be made of pine board, and the fourth side will be made of galvanized steel fencing material. (Note: Figure is not drawn to
scale.) If the pine board fencing costs $8.00/running foot and the steel fencing costs $4.00/running foot, determine the dimensions of the enclosure (in ft) that will cost the least to erect. (Round your answers to
one decimal place.)
steel side
each pine side
10
ft
ft
STORE
Wood
Wood
Steel
(
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