MATH 0220 Midterm: Math 0220 optimization-284
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A rectangular field with one side along a river is to be fenced. Suppose that no fence is needed along the river, the fence on the side opposite the river costs $20 per foot, and the fence on the other sides costs $5 per foot. If the field must contain 64,800 square feet, what dimensions will minimize costs?
side parallel to the river | ft | |
each of the other sides | ft |