Fence will be bill with one side costing $40 per meter

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A rectangular fence will be bill with one side costing $40 per meter and the other sides costing $20 per meter. I want to fence in an area of 750 square meters. the side with the more expensive fencing cannot be less than 25 meters nor more than 50 meters in length What dimensions should I use to minimize the cost?

Reference no: EM13715508

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