Gerald purchased a rectangular plot of land. The length of the plot is 20 feet more than the width. The cost of the land was $12 per square foot. Gerald also had a fence put around the entire perimeter of the plot, at a cost of S8 per linear foot. The total amount he spent on both the land and the fence was $10,560. Part A Write an equation in two variables for the perimeter, P, and an equation in two variables for the area, A, of the plot of land where x is the width of the plot in feet. Provide evidence to support your equations