Sorry, but I still don't understand. You said:
Yet there is absolutely nothing wrong with this assumption...it's correct. In the question, x + y = $110 is clearly defined at the beginning. This equation has nothing to do with the (wrong) assumption that the bat costs $100.
Quote:The question is worded so that you may wrongly assume that;(bolding mine)
x+y=$110
Yet there is absolutely nothing wrong with this assumption...it's correct. In the question, x + y = $110 is clearly defined at the beginning. This equation has nothing to do with the (wrong) assumption that the bat costs $100.