Answer :
For this case we have that half of the flag was painted blue and the other half yellow.
In addition, a third of the blue half was covered with stars.
So:
[tex]\frac {1} {2} * \frac {1} {3} = \frac {1} {6}[/tex]
A sixth of the flag is blue with stars.
Answer:
[tex]\frac {1} {6}[/tex]