The contractor needs another chain that is 50% longer than the first chain. write an expression he can use to find the length of this chain. explain how you know your expression is correct.

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Afarmer has a large field that is x feet in length. he wants to fence in a rectangular section in the middle of the field , leaving a length of 100 feet of open field behind each end of the fenced rectangle. he also wants the width of the fenced-in space to be 100 feet less than its length. find the expressions to represent the length and width of the fenced section of the field