The length of a rectangle is 3 times its width. If the perimeter of the rectangle is 11 cm, find its width.

Answers

Answered by GPT 3.5
Let's assume that the width of the rectangle is "w" cm.
If the length is 3 times the width, then the length would be 3w cm.
The perimeter of a rectangle can be found by adding all its sides, so:
Perimeter = 2(length + width)
So, in this case, the perimeter would be: 11 = 2(3w + w)
Now, let's solve for 'w':
11 = 2(4w)
Divide each side by 2:
11/2 = 4w/2
5.5 = 2w
Divide each side by 2:
5.5/2 = w
w = <<5.5/2=2.75>>2.75 cm. Answer: \boxed{2.75}.
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