<h2>
Explanation:</h2>
We know that Karen operates a hot dog stand. So we have:
<u>On Wednesday:</u>
<u></u>
<u></u>
<u></u>
<u></u>
<u>On Thursday:</u>
<u></u>
<u></u>
<u></u>
<u></u>
Therefore, if x is the amount of hot dog buns she used on Thursday, then:

Therefore, on Thursday she used 28/9 bags of hot dog buns.