We were told that the total number of seats in the stadium is 80815. Also, 33% of the seats are in the shade for most of the game. Recall, percentage is expressed in terms of 100. Thus, the number of seats that that are in the shade for most of the game is
33/100 * 80815 = 26668.95
Rounding up to the nearest whole number, the number of seats is 26669
The correct option is D