A mother prepares oat porridge for her children.<br>For every 2 cups of oats, she will use 6 cups of water. <hr> Find the ratio of the number of cups of oats used to the number of cups of water used.<br> <input min="0" type="number" id ="imp6pg082q2_1" class="lineinput" placeholder="?" /> : <input min="0" type="number" id ="imp6pg082q2_2" class="lineinput" placeholder="?" />