We know that the nth term of an arithmetic sequence can be found using the formula $a_n = a_1 + (n-1)d$, where $a_n$ is the nth term, $a_1$ is the first term, $n$ is the term number, and $d$ is the common difference.
Given that $a_1 = 10$ and $a_{10} = 5.5$, we
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