The graph below shows the number of pupils queuing at different food stalls (numbered 1 to 6) at a school canteen.<br> 12 of the pupils queueing at stall 6 are carrying a water bottle. <hr><input min="0" type="number" id ="imp2pg238q1d_1" class="lineinput" placeholder="?" /> of the pupils queueing at stall 6 are not carrying a water bottle.