SOLUTION: The width of a rectangle is 5 meters less than twice its length. If its area is 88 square meters, find the dimensions of the rectangle.
I appreciate your help!
Algebra.Com
Question 249084: The width of a rectangle is 5 meters less than twice its length. If its area is 88 square meters, find the dimensions of the rectangle.
I appreciate your help!
Answer by oberobic(2304) (Show Source): You can put this solution on YOUR website!
.
Substitute
.
Subtract 88 from both sides
so
.
Can you factor this? Yes.
.
.
So our candidate solutions are L = -5.5 and L = 8.
.
A negative number for the side of the rectangle is nonsense. So our answer is L = 8.
.
Recall
so
.
With L = 8 and W = 11, the area = 88.
So we're done.
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