Mr. dunn is a designer for seabreeze swimming pools. for a recent project, mr. dunn was asked to design a rectangular pool and surrounding walkway that can cover no more than 1,000 square feet in total. the pool will be 24 feet long and 12 feet wide, and mr. dunn wants the walkway along each edge of the pool to be the same width all the way around. the diagram models the pool mr. dunn is designing, where x is the width of the walkway. to the nearest foot, what is the width of the walkway?