If a nurse gives a patient 1/8 gr of medicine at 3 pm and then 1/4 gr at 8 pm, how much morphine was administered to the patient?
A.3/8 gr
B.2/8 gr
C.3/6 gr
D.2/14 gr

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