For this case we have that the bread stick represents 1 unit.
Then half of a loaf of bread will be given by:
[tex]\frac {1} {2}[/tex]
If that half is cut into 4 equal parts we have:
[tex]\frac {\frac {1} {2}} {4} = \frac {1} {8}[/tex]
Thus, each part represents [tex]\frac {1} {8}[/tex] of the whole bread
Answer:
[tex]\frac {1} {8}[/tex]