SOLUTION: The eighth term of an arithmetic sequence is 55 and the tenth term is 77. Find the third term.
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Question 463762: The eighth term of an arithmetic sequence is 55 and the tenth term is 77. Find the third term.
Answer by robertb(5830) (Show Source): You can put this solution on YOUR website!
and
Subtracting the top equation from the bottom equation, we get 2d = 22, or d = 11.
Hence , or .
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