It will be easier to understand this using a venn diagram :
Answer:

Step-by-step explanation:
Find distance between B and market: |B-M|=|M-B|
Distance between A and B:
, call this equation (1)
Distance between A and market
, call this equation (2)
Solve (1) - (2)

Answer:
The answer is B
Step-by-step explanation:
B is the only one with a quotient that is a multiple of 8