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Extremum, Increase and Decrease sections – Min/Max problems (minimal perimeter) – Exercise 6887

Exercise

Given a rectangular plot of 3,200 sq.m. Two opposite sides of a fence cost 10$ per meter, and the remaining two sides – 20$ per meter. Given that the lengths are integers, what is the cheapest fencing?

Final Answer

A rectangle with sides of length

40,80

Solution

Coming soon…

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