Thursday, November 12, 2009

PS 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

1 comment:

  1. AdityaNovember 17, 2009 at 4:22 PM

    Answer : E
    let no of kennedy airport passengers be x .
    no of miami airport passengers be y
    no of logan airport passengers be z .
    given that x=37.3/3 = 12.43
    and y=x/2 = 6.21
    y=4z ,
    z=6.21/4 = 1.55 ~= 1.6

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