Answer:
4 2/3 as a decimal is 4.6 and 4.6 divided by two is 2.3. then she puts blueberries in 2 1/4 cups in the batter also known as 2.15 leaving only 2.45 cups left of batter because 2.15+2.45= 4.60 I'm not sure if this helps but this is the best I can do :)
