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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 80,000 square feet, what dimensions will minimize costs?
a) Side Parallel to the Riverft
b) Each of the other sides ft
Answers: 3
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A rectangular field with one side along a river is to be fenced. Suppose that no fence is needed alo...
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