Answer :
Well, now the tables in the middle could hold 2 people each, while the ones at the ends 3 each. You have 92 people in total.
Since each table is 1 person so
45(1) =45 but since there are 2 more chairs at the side, it can sit up to 47
45(1) =45 but since there are 2 more chairs at the side, it can sit up to 47