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| rev | Admin | (Created page with "'''Solution: C''' The equation of value is <math display = "block"> \begin{align*} 98S_{\overline{{{3n}}}|}+98S_{\overline{{{2n}}}|}&=8000 \\ \frac{(1+i)^{3n}-1}{i}+\frac{(1+i)^{2n}-1}{i}&=81.63 \\ (1+i)^{n}&=2\\ \frac{8-1}{i}+\frac{4-1}{i} &= 81.63 \\ \frac{10}{i} &= 81.63 \\ i &= 12.25\% \end{align*} </math> {{soacopyright | 2023 }}") | Nov 18'23 at 8:48 | +340 |