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July 22, 2014

July 22, 2014

Posted by **Faith** on Monday, May 18, 2009 at 3:58pm.

I have no idea how to solve this problem. Please help if you can! Thank you! :-)

- Algebra (please help!) -
**Damon**, Monday, May 18, 2009 at 4:04pmn rows

(n-16) seats/row

n * (n-16) = 1161

n^2 - 16 n - 1161 = 0

well, I want factors of 1161 that differ by 16. I know sqrt 1161 = 34.07... so I geuss that around 27 would be a good guess and 27+16 = 43 and sure enough 43*27 = 1161

so

(n-43)(n+27) = 0

n = 43

and the number of seats per row = n-16 = 27

- Algebra (please help!) -
**TchrWill**, Monday, May 18, 2009 at 4:13pmLet R = the number of rows.

Let Sb = the number of seats in each row

The seats in the theater are arranged in parallel rows that form a rectangular region.

Then, from "The number of seats in each row of the theater is 16 fewer than the number of rows" or Sb = R - 16.

The total number of seats is given by {Sr(R) = 1161

Therefore, Sr = R - 16 = 1161/R.

I leave the hard part for you.

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