you put 6 on each scale and you take away one BB from each scale at the same time and you just watch the scale and wait for it to even out, then you know youve taken the one that weighs either too much or too little away.
you put 6 on each scale and you take away one BB from each scale at the same time and you just watch the scale and wait for it to even out, then you know youve taken the one that weighs either too much or too little away.