Question: A fence must be built in a large field to enclose a rectangular area of 25,600 m 2 . One side of the area is

A fence must be built in a large field to enclose a rectangular area of 25,600 m². One side of the area is bounded by an existing fence; no fence is needed there. Material for the fence costs $3 per meter for the two ends and $1.50 per meter for the side opposite the existing fence. Find the cost of the least expensive fence.

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