A play is being presented in a school gymnasium that can hold a maximum of 600 people. One hundred twenty people can sit on the bleachers. Chairs will be set up in 15 equal rows. Write and solve an inequality to determine the number of chairs in each row.

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