Friday
August 22, 2014

Homework Help: Math

Posted by Katie on Monday, November 17, 2008 at 7:23pm.

Power Plant on the River Problem

As the construction manager for the Lightem Up Power Company , you make decisions to hep minimize costs of the company's construction projects. Today you've been asked to determine the path of a pipe that will house communication lines from the factory to the power plant pictured here.

Factory . F_______7 miles_______
| river |
4 miles
|______________________|
.P Power
Plant

You must connect a pipe from point F at the factory to point P at the power plant. It will cost $12 per foot to lay the pipe on land and $21 per foot to lay the pipe in the water. Where should the pipe be placed so as to minimize the total cost of laying the pipe?

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