🧠 GRE Exam Prep

If the nth term of a sequence is given by a_n = 3n - 5, what is the sum of the 5th and 7th terms?

A 22
B 26
C 30
D 36

✓ Correct Answer: Option B

Calculate a_5 = 3(5) - 5 = 10. Calculate a_7 = 3(7) - 5 = 16. The sum of the 5th and 7th terms is 10 + 16 = 26.

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