When numbers are grouped in twelves, each group is referred to as a dozen.
<em>There are 5 eggs left</em>
The amount of egg she bought is:

Third of a dozen for breatest, means:

Quarter for breakfast, means:

So, the fraction of eggs left is:

This gives:

Take LCM


<em>1 dozen means 12.</em>
So, we have:


Hence, she still has 5 eggs left
Read more about grouping of numbers at:
brainly.com/question/24231730