In 1979 approximately 1/3 of the 38.3 million airline passengers traveling to or from the United States used Kennedy Airport. If the number of such passengers that used Miami Airport was 1/2 the number that used Kennedy Airport and 4 times the number that used Logan Airport, approximately how many millions of these passengers used Logan Airport that year?
Choose the correct choice from the following answers:
A) 18.6 B) 9.3 C) 6.2 D) 3.1 E) 1.6
number of   passengers using Kennedy airport = 38/3 =~12.67   Passengers using Miami airport = 12.67/2=~6.3   passengers using logan airport = 6.3/4 =~1.58   so 1.6
<result>E</result>
In 1979 approximately 1/3 of the 38.3 million airline passengers traveling to or from the United States used Kennedy Airport. If the number of such passengers that used Miami Airport was 1/2 the number that used Kennedy Airport and 4 times the number that used Logan Airport, approximately how many millions of these passengers used Logan Airport that year?