i) The length of the rectangle is 3 times the width. If width were increased by 3 m while length remained same, new rectangle would have the area of 30 m square. Determine length and width of original rectangle.
ii) Two cars left the intersection at same time. One traveled west, and other traveled 14 mi less, but to south. How far apart were they then, if distance between them was 16 mi more than distance traveled south?