ericka79
02.11.2019 •
Mathematics
Gan oil refinery is located on the north bank of a straight river that is 3km wide. a pipeline is to be constructed from the refinery to storage tanks located on the south bank of the river 8km east of the refinery. the cost of laying pipe is $700,000/km over land to point p on the north bank and $1,400,000/km under river to the tanks. what is the minimal cost to construct a pipeline from the refinery to the storage tanks?
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Ответ:
1 7/12= 1.58
1 5/8= 1.63
which make 1 5/8 greater