The perimeter of a rectangle is 96 cm. The ratio of its length to its breadth is 3 : 1. Find its breadth and its length. <br> The breadth is <input min="0" type="number" id ="imp5pg100q4_1" class="lineinput" placeholder="?" /> cm, and the length is <input min="0" type="number" id ="imp5pg100q4_2" class="lineinput" placeholder="?" /> cm.