SOLUTION: The length of a rectangle is five inches more than its width. The perimeter is 66 inches. Find the dimensions of the rectangle.

Question 175404: The length of a rectangle is five inches more than its width. The perimeter is 66 inches. Find the dimensions of the rectangle.
Found 2 solutions by EMStelley, Mathtut:
Answer by EMStelley(208) (Show Source): You can put this solution on YOUR website!
Let's call the width of the rectangle w. Then we can denote the length of the rectangle by w+5 since the length is 5 inches more than its width. Remembering that the perimeter equation is 2*length + 2*width, we get that

So

Combining like terms and subtracting 10 yields

Dividing both sides by 4, we get

So the width of the rectangle is 14 inches. Using the knowledge we have about the length, that means the length is 19 inches.
Answer by Mathtut(3670) (Show Source): You can put this solution on YOUR website!
W is width L=W+5 Perimeter =66
:
66=2W+2(W+5)
:
66=2W+2W+10
:
4W=56
:
inches
:
inches
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