sentence1: If the number of such passengers that used Miami Airport was 1 / 2 the number that used Kennedy Airport and 5 times the number that used Logan Airport , approximately how many millions of these passengers used Logan Airport that year ?
sentence2: If the number of such passengers that used Miami Airport was 8 / 2 the number that used Kennedy Airport and 5 times the number that used Logan Airport , approximately how many millions of these passengers used Logan Airport that year ?