Richard asks…Calculus word problem. How do you do this?A landscape architect wishes to enclose a rectangular garden on one side by a brick wall costing $24 per foot and on the other three sides by a metal fence costing $8 per foot. If the area of the garden is 450 ft2, find the dimensions of the garden minimizing the cost.
length of brick wall? ft.
length of adjacent wall? ft.Mr. Thin Brick answers:A = 450 = L * W
Let x = length of brick wall.
Then length of other side is 450 / x.
Cost of
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