Answer:
A. width = x - 4.5
B. 111 = 2(x + (x -4.5))
Explanation:
A. The width is 4.5 meters shorter than x, so is x -4.5.
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B. The perimeter is twice the sum of length and width. It is 111 meters, so an equation for it could be ...
111 = 2(x + (x -4.5))