A rectangular field is to have an area of 225 m and is to be surrounded by a fence. The cost,C, of the fence is

A rectangular field is to have an area of 225 m² and is to be surrounded by a fence. The cost,C, of the fence is 2 dollars per meter of length. Express the total cost of the fence in terms ofthe width of the field (use the variable 'w' for width).C(w) = $