Answer:
29 rows
Explanation:
r = # of rows = s - 6
s = # of seats/row
s(s - 6) = 1015
s² - 6s = 1015
s² - 6s - 1015 = 0 use the quadratic equation to find s (a=1, b=-6, c=-1015)
2 solutions of s: 35, -29 disregard the negative solution
r = s - 6 = 35 - 6 = 29