Arthur works at the candy store. He has the opportunity to make up gift bags to hand out to passing students as they go home from school. He has 105 candy canes and 70 'Christmas peeps'.

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