There are 8 stores in town that had a total of 21 visitors on a particular day. However, only 12 people went shopping that day; some people visited more than one store. If 8 people visited exactly two stores each, and everyone visited at least one store, what is the largest number of stores anyone could have visited?  Choose the correct choice:
A) 2
B) 3
C) 4
D) 5
E) 6
8 people visited 2 stores each for 16 visits.   To maximize the number of stores that one person visited, let's assume that 3 people visited 1 store each. The number of remaining visits is   21 - 16 - 3= 
<gadget id="calculator">  21 - 16 - 3</gadget>
<output>2</output>
2, which is the maximum that one person could have visited.   The answer is 2.
<result>A</result>
There are 8 stores in town that had a total of 21 visitors on a particular day. However, only 12 people went shopping that day; some people visited more than one store. If 8 people visited exactly two stores each, and everyone visited at least one store, what is the largest number of stores anyone could have visited?