SOLUTION: A rectangular lot whose perimeter is 320 ft is fenced along three sides. An expensive fencing along the lot's length costs $20 per foot and an inexpensive fencing along the two sid
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Question 596673: A rectangular lot whose perimeter is 320 ft is fenced along three sides. An expensive fencing along the lot's length costs $20 per foot and an inexpensive fencing along the two side widths costs only $8 per foot. The total cost of the fencing along the three sides comes to $5800. What are the lot's dimensions?
Answer by scott8148(6628) (Show Source): You can put this solution on YOUR website!
this is the 2nd time I have seen this problem, and the total cost is still not realistic
let me help...
___ the maximum cost is if the lot has zero width (also not realistic) ___ 20 * 160 = 3200
___ the minimum cost is with zero length (yeah, yeah; I know) ___ 160 * 8 * 2 = 2560
for this problem to yield real answers, the total cost must lie between the above values
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