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April 23, 2014

Homework Help: 11th grade math

Posted by jenna on Sunday, March 25, 2012 at 3:55pm.

A farmer wants to fence in 60 000m^2 of land in a rectangular field along a straight road. The fencing that he plans to use along the road is $10 per meter and the fencing that he plans to use for the other three sides costs $5 per meter.
a) How much of each type of fence should he buy to keep his expanses to a minimum?
b) What is the minimum expanse?

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