Mike D. answered 09/02/20
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Meghan
Suppose the perimeter was 180.
Suppose w = width.
Then l = length = 2w
Perimeter = distance around outside = l + w + l + w = 2w + w + 2w + w = 6w
6w = 180
w = 30. So l = 60.
Now you can use my model, with your number
Mike