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Use the Formula for the Sum of the First N

Question 110

Multiple Choice

Use the formula for the sum of the first n terms of an arithmetic sequence to find the indicated sum.
-A theater has 36 rows with 26 seats in the first row, 30 in the second row, 34 in the third row, and so forth. How many seats are in the theater?


A) 3456 seats
B) 3528 seats
C) 6912 seats
D) 7056 seats

Correct Answer:

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