The Management of UNICO Department Store Decides to Enclose an

question 13

Essay

The management of UNICO Department Store decides to enclose an area outside their building to display potted plants. The enclosed area will be a rectangle, one side of which is provided by the external walls 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. If the pine board fencing costs $10/running foot and the steel fencing costs $5/running foot, determine the dimensions of the enclosure that will cost the least to erect. Round your answers to two decimal places.

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Definitions:

Pleura

A thin membrane that surrounds the lungs and lines the interior wall of the chest cavity, providing lubrication and facilitating breathing.

Posterior/Dorsal

Referring to the back side of the body or an organ, opposite of anterior/ventral, important in anatomical positioning.

Popliteal

Pertaining to the area behind the knee where ligaments, vessels, and muscles are located.

Pleural Body Cavity

A fluid-filled space that surrounds the lungs, allowing them to expand and contract without friction, part of the thoracic cavity.