Yahoo Answers: Answers and Comments for Please someone help me with a math problem? solving for how many seats total in a theater? [Homework Help]
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From Anonymous
enUS
Thu, 14 Mar 2013 20:01:49 +0000
3
Yahoo Answers: Answers and Comments for Please someone help me with a math problem? solving for how many seats total in a theater? [Homework Help]
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From mingo: You want two equations. Let A = Adults and C =...
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Tue, 09 Aug 2016 08:55:30 +0000
You want two equations. Let A = Adults and C = youngsters So complete adults + whole children = 500, thus A + C = 500 The 2nd equation involves price $43 per adult and $28 for kids and the total money is 16805. So 2nd equation is 43A + 28C = 16805 A + C = 500 43A + 28C = 16805 Rearrange the 1st equation to remedy for A. A = 500  C and substitute into the 2d equation. 43(500  C) + 28C = 16805 Simplify to get 21500  43C + 28C = 16805 simplify additional 15C = 4695 and C = 313 so you had 313 children Adults would be 500  313 or 187

From Native Hanoian: The first answer is very wrong because by taki...
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Fri, 15 Mar 2013 00:11:32 +0000
The first answer is very wrong because by taking 11 + 3*35
that would mean there's just one row with 11 seats while the other 35 rows have only 3 seats each.
Answer to porblem:
The number of seat per row is 11 + 3*(n1) with n is the number of row.
For example:
First row: n=1 => seats = 11+3*(11) = 11
So on, the number of seats for the:
Second row = 11 + 3*1
Third row = 11 + 3*2
....
...
35th row = 11 + 3*34
The total seats in the theatre is determined as the sum of seats in all rows which is:
First row + second row + ....+ 35th row
= 11*35 + 3*(1+ 2 + 3 +....+34)
= 385 + 3*[ (1+34) + (2 + 33) +....+ (16+17)]
= 385 + 3*[ (35) + (35) + ....+ (35)]
that makes "35" repeating 16 times
= 385 + 3*16*35
= 385 + 1680
= 2065
Conclusion: if the theater has 35 rows, there'll be 2065 seats.

From No Name: That other guy is wrong by the way, you don...
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Thu, 14 Mar 2013 20:12:51 +0000
That other guy is wrong by the way, you don't do 11 + 3 x 35, or that just means there are 14 seats in every row. The answer is 487, because you do (11 + 3)35  3, 3 being 34 and not counting the first one, because it does not have an extra 3 seats.

From Anonomys: 490 seats
you do 11 + 3 X 35 = 490
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Thu, 14 Mar 2013 20:08:35 +0000
490 seats
you do 11 + 3 X 35 = 490