Find further situations that can be modeled by a graph or diagraph.
Chapter 23, PROBLEM SET 23.1 #5
Find further situations that can be modeled by a graph or diagraph.
Related Book For 
PROBLEM SET 23.2:
PROBLEM SET 23.4:
PROBLEM SET 23.5:
PROBLEM SET 23.6:
PROBLEM SET 23.7:
PROBLEM SET 23.8: