12. In 1979 approximately 1/3 of the 37.3 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?
(A) 18.6
(B) 9.3
(C) 6.2
(D) 3.1
(E) 1.6
Answer: E
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Solution:
ReplyDeleteNumber of people used Kennedy Airport = 1/3 * 37.3 = 12.43
So Number of people used Miami Airport = 1/2 * 12.43 = 6.22
Hence Number of people used Logan Airport = 1/4 * 6.22 = 1.6