Mathematics, 03.12.2019 06:31, Deemon
An oil refinery is located on the north bank of a straight river that is 2 km wide. a pipeline is to be constructed from the refinery to storage tanks located on the south bank of the river 3 km east of the refinery. the cost of laying pipe is $400,000 per km over land to a point p on the north bank and $800,000 per km under the river to the tanks. to minimize the cost of the pipeline, how far from the refinery should p be located? (round your answer to two decimal places.)
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