SOLUTION: There are 55 seats in the front row of the local theater. When Martha enters she notices that she cannot sit in the front row without sitting next to someone who is already there.

Question 281413: There are 55 seats in the front row of the local theater. When Martha enters she
notices that she cannot sit in the front row without sitting next to someone who is already there. The fewest number of people who could possibly already be seated is:
(A)18 (B) 19 (C) 27 (D) 28 (E) none of these

Answer by subudear(62) (Show Source): You can put this solution on YOUR website!
answer is (c) 27
place 27 people first and then leave 1 seat empty around these 27 people that is 28 empty seats
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