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Mathematics 19 Online
OpenStudy (anonymous):

a farmer is planning a rectangular area for her chickens. the area of the rectangle will be 200 square feet. three sides of the rectangle will be formed by fencing, which cost 5$ per foot, the fourth side of the rectangle will be formed by a portion of the barn wall, which requires no fencing. in order to minimize the cost of fencing, how long should the fourth wall be? A)25 FT B)20 FT C)8 FT D)10 FT

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