Answer:
the first diagram (circled one in the attached figure)
Explanation:
number of pickle slices in each burger =
(I hope you know how to find this)
The diagram is nothing but expressing fraction diagrammatically.
The fraction is 78 divided by 26. So assume bar of size 78. Now divide it into 26 equal parts. The same is shown in the diagram.
For example:
of a chocolate bar is nothing but one piece when you divide the chocolate bar into four equal parts.