Answer: x = # of student tickets
y = # of adult tickets
x + y = 1294 >> y = 1294 - x
5x + 8y = 8816
5x + 8y = 8816
5x + 8(1294 - x) = 8816
5x + 10,352 - 8x = 8816
-3x + 10,352 = 8816
-3x = -1536
x = 512 student tickets
512 student tickets were purchased.
(B)