The dot plots below shows the number of pages of a new book series Troy and Mike have read daily for the past 20 days. What is the difference of the medians as a multiple of the interquartile range?

In the diagram, points d and e are marked by drawing arcs of equal size centered at b such that the arcs intersect ba and bc. then, intersecting arcs of equal size are drawn centered at points d and e. point p is located at the intersection of these arcs. based on this construction, m , and m