SOLUTION: There are 640 acres in a square mile and 5280 feet in a mile. A rectangular one-acre lot has perimeter of 836 feet. Find the dimensions of that lot.
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Question 401166: There are 640 acres in a square mile and 5280 feet in a mile. A rectangular one-acre lot has perimeter of 836 feet. Find the dimensions of that lot.
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
1 acre = 43560 sq ft
----------------
L*W = 43560
2L + 2W = 836 --> W = 418 - L
Sub for W in eqn 1
L*(418 - L) = 43560
Solve the quadratic
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