Question

The length of a rectangle is twice its width. The perimeter of the rectangle is 136 feet.

Answer 1

45⅓ = l

22⅔ = w

Explanation:

{l = 2w

{136 = 2w + 2l

136 = 2w + 2[2w]

136 = 2w + 4w

136 = 6w

22⅔ = w [Plug this back into both equations to get the length of 45⅓]; 45⅓ = l

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