Question 920422
s the number of seats in a row
Rows•seats in a row = 170
(s-7)s = 170
s^2 - 7s = 170  (Tossing out the negative solution for unit measure)
(s+100(n - 17) = 0
s = {{{ highlight_green(17)}}}  seats in a row
And checking (17-7) number of rows
10•17 = 170