Can someone please help me with this. And also show the number line, that would help a lot!! Thanks :))

Can you answer my question? will mark brainiest!

The graph represents the gallons of water in a water tank with respect to the number of hours since it was completely filled

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