What words describe how Anthony should build the next model in his series of concrete representations of this situation? O The pool should be 3 squares by 5 squares, and the border should be 4 squares by 60 The pool should be 3 squares by 5 squares, and the border should be 4 squares by 7 squares. O The pool should be 3 squares by 5 squares, and the border should be 5 squares by 7 squares. squares.