SOLUTION: Hello, may you please help me on this problem. The width W of a rectangle is 5cm shorter thanks it's length. The perimeter is 50cm. What is W? Thank you!

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Question 720863: Hello, may you please help me on this problem.
The width W of a rectangle is 5cm shorter thanks it's length. The perimeter is 50cm.
What is W?
Thank you!

Answer by nerdybill(7384) About Me  (Show Source):
You can put this solution on YOUR website!
The width W of a rectangle is 5cm shorter thanks it's length. The perimeter is 50cm.
.
Let w = width
then
w+5 = length
.
2(w + w+5) = 50
(w + w+5) = 25
2w+5 = 25
2w = 20
w = 10 cm (width)