SOLUTION: A rectangle corner lot has a width 12 feet less than its length. When three feet are taken from one width and one length, to be used as a sidewalk, the area of the lots is reduced
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Question 1002518: A rectangle corner lot has a width 12 feet less than its length. When three feet are taken from one width and one length, to be used as a sidewalk, the area of the lots is reduced by 177ft(2). Find the original dimensions of the lot.
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
This sidewalk is only going half-way around, and will not be a perimeter border.
L for lot length
w for lot width
-
Total Lot, square feet
Reduced Lot,
Sidewalk area is the total lot area minus the reduced lot area.
---first, simplify this.
Substitute for w, from the description fact.
and from this find that .
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