The owner of a ranch wants to fence off a rectangular piece of land of area 30,000 square yards next to a river. No fencing will be used along the river. Thr land will be subdivided into 2 sections by means of a fence running perpendicular to the river. The fence costs $10 per yard.  what should the dimensions be in order to minimize the total cost of the fence? List the dimensions in order of (side perpendicularto river) by (side parallel to river) what is the total cost of the fence? Thank you

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