Mr Oodle uses 10 $$g$$ of oil for every 450 $$g$$ of flour to make the dough for his noodle stall. <hr> Find the ratio of the amount of oil to the amount of flour he used.<br> <input min="0" type="number" id ="imp6pg082q3_1" class="lineinput" placeholder="?" /> : <input min="0" type="number" id ="imp6pg082q3_2" class="lineinput" placeholder="?" />