In the first day the tourists passed 8/27puti that is 2/27 less, than in the second day and 1/27 more, than in thirds day. What part of a way needed to be passed to tourists? HELP PLEASE THANKS IN ADVANCE

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All way = 1 (whole) 1) 8/27 + 2/27 = 10/27 ways there passed tourists in the II day. 2) 8/27 - 1/27 = 7/27 ways there passed tourists in the III day 3) 8/27 +10/27 + 7/27 = 25/27 ways in three days 4) 1 - 25/27 = 2/27 ways needed to be passed. Answer: 2/27 ways needed to be passed to tourists.
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Answer add