SOLUTION: The 3rd term of an arithmetic sequence is 12 and its 7th term is 32, what is its 11th term?

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Question 1040094: The 3rd term of an arithmetic sequence is 12 and its 7th term is 32, what is its 11th term?
Answer by Boreal(15235) About Me  (Show Source):
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For an arithmetic sequence, each distance is equal.
From the third term to the seventh is 4 terms and it increased 20. Therefore the common difference is 4.
For the 11th term, four terms above 7, the value will be 20 more than 32, or 52.