Mathematical sequences, Mathematics

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The number of seats in each row can be modeled by the formula C_n = 16 + 4n, when n refers to the nth row, and you need 50 rows of seats.

(a) Write the sequence for the number of seats for the first 5 rows

(b) How many seats will be in the last row?

(c) What will be the total number of seats in the theater?

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