Question 920422: A theater can seat 170 people. The number of rows is 7 less than the number of seats in each row. How many rows of seats are there? Answer by ewatrrr(24785) (Show Source):
You can put this solution on YOUR website! 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 = seats in a row
And checking (17-7) number of rows
10•17 = 170
