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The Management of the UNICO Department Store Has Decided to Enclose

Question 27

Multiple Choice

The management of the UNICO department store has decided to enclose an 400ft2 area outside the building for displaying potted plants and flowers. One side will be formed by the external wall of the store, two sides will be constructed of pine boards, and the fourth side will be made of galvanized steel fencing material. ​ The management of the UNICO department store has decided to enclose an 400ft<sup>2 </sup>area outside the building for displaying potted plants and flowers. One side will be formed by the external wall of the store, two sides will be constructed of pine boards, and the fourth side will be made of galvanized steel fencing material. ​ ​ If the pine board fencing costs $8/running foot and the steel fencing costs $2/running foot, determine the dimensions of the enclosure that can be erected at minimum cost. A) B) C) ​ D) ​ ​
If the pine board fencing costs $8/running foot and the steel fencing costs $2/running foot, determine the dimensions of the enclosure that can be erected at minimum cost.


A) The management of the UNICO department store has decided to enclose an 400ft<sup>2 </sup>area outside the building for displaying potted plants and flowers. One side will be formed by the external wall of the store, two sides will be constructed of pine boards, and the fourth side will be made of galvanized steel fencing material. ​ ​ If the pine board fencing costs $8/running foot and the steel fencing costs $2/running foot, determine the dimensions of the enclosure that can be erected at minimum cost. A) B) C) ​ D) ​
B) The management of the UNICO department store has decided to enclose an 400ft<sup>2 </sup>area outside the building for displaying potted plants and flowers. One side will be formed by the external wall of the store, two sides will be constructed of pine boards, and the fourth side will be made of galvanized steel fencing material. ​ ​ If the pine board fencing costs $8/running foot and the steel fencing costs $2/running foot, determine the dimensions of the enclosure that can be erected at minimum cost. A) B) C) ​ D) ​
C) ​ The management of the UNICO department store has decided to enclose an 400ft<sup>2 </sup>area outside the building for displaying potted plants and flowers. One side will be formed by the external wall of the store, two sides will be constructed of pine boards, and the fourth side will be made of galvanized steel fencing material. ​ ​ If the pine board fencing costs $8/running foot and the steel fencing costs $2/running foot, determine the dimensions of the enclosure that can be erected at minimum cost. A) B) C) ​ D) ​
D) ​ The management of the UNICO department store has decided to enclose an 400ft<sup>2 </sup>area outside the building for displaying potted plants and flowers. One side will be formed by the external wall of the store, two sides will be constructed of pine boards, and the fourth side will be made of galvanized steel fencing material. ​ ​ If the pine board fencing costs $8/running foot and the steel fencing costs $2/running foot, determine the dimensions of the enclosure that can be erected at minimum cost. A) B) C) ​ D) ​

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