i think half the problem is the language this guy uses to try and explain things.
but yeah, those people arent exacly math wizzes.
then agian, i dont really know what i would do in his situation... he was getting close when he told that chick to right it down on papper, if she would have done that, and finished the equasion, she should have noticed there was a problem.
dont they teach decimals in schools no more? :/