To determine the total number of outcomes possible for drawing one tile from the bag, we need to consider that there are a total of 100 letter tiles in the bag. Each tile represents a different outcome when drawing one tile.
Therefore, the total number of outcomes for the event of drawing one tile is:
100
Since this number is not provided in the response options you've listed, it seems there may be a misunderstanding or misprint in the question or choices.
However, based on the information given, the correct answer should be 100.