Can someone please help me with the question in the photo, I have no idea how to find the median

Select the graph of the solution. click until the correct graph appears. |x| = 3

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

Why is studying fractions important