SOLUTION: The perimeter of a rectangle is 48 inches, and its area is 143 in^2. Find its length and width.

Algebra ->  Trigonometry-basics -> SOLUTION: The perimeter of a rectangle is 48 inches, and its area is 143 in^2. Find its length and width.       Log On


   

Question 529873: The perimeter of a rectangle is 48 inches, and its area is 143 in^2. Find its length and width.
Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
2W + 2L = 48 ___ W + L = 24 ___ L = 24 - W

W * L = 143 ___ W(24 - W) = 143 ___ 24W - W^2 = 143 ___ 0 = W^ - 24W + 143

(W - 11)(W - 13) = 0