In a certain theater, the first row has 8 seats, and each subsequent row has 2 more seats than the row before it. If the last row has 56 seats, what is the total number of seats in the theater?

Correct answer marked below

640

720

800

Correct

1,000

1,240

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What this question tests

Your fluency with the order of operations, fractions, decimals, and basic number sense — the foundation every quant question leans on.

Applying the order of operations out of sequence or rounding intermediate values before the final step.