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2014-08-26T18:48:59+03:00
5m......1l.....18z......8h
5m......1l.....x............10h

x=18*8/10

x=9*8/5= 72/5= 14,4 zile

5m.........1l.......14,4z.......10h
9m.........1l...........y...........10h

y=5*14,4/9

y=72/9= 8 zile