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The number of seats in the rows of stadium form an arithmetic sequence. Two employees of the stadius determine that the 13th row has 189 seats and the 25th row has 225 seats. How many seats are in the 55th row?



Answer :

Kat1911
The way that I would do it would first find out how many seats it went up from the 13th row to the 25th row.

189 - 225= 36 

Then add that answer to 225 and you have how many seats are in the 55th row i could be wrong though 

225 + 36 = 261

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