Question

A rancher plans to use an existing stone wall and the side of a barn as a boundary for two adjacent rectangular corrals. Fencing for the perimeter costs 25 per foot. To separate the corrals, a fence that costs 20 per foot will divide the region. The total area of the two corrals is to be square feet. Use Lagrange multipliers to find the dimensions that will minimize the cost of the fencing.

A) dimensions: feet by feet
B) dimensions: feet by feet
C) dimensions: feet by feet
D) dimensions: feet by feet
E) dimensions: feet by feet

Answer

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