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a farmer wants to partition a rectangular field into quarters. the total area of the field...

a farmer wants to partition a rectangular field into quarters. the total area of the field is 400 square meters. suppose the length of the field is L meters. (a) express the width of the field in terms of L. (b) The outer boundary fence (on the perimeter of the field) costs $5 per meter, and the inside fence costs $4 per meter. Express the total cost of the fence needed in terms of L.

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