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| rev | Admin | (Created page with "'''Solution: C''' <math display = "block"> \begin{aligned} & 1000=P a_{\overline{20}|0.03} \\ & P=67.22 \\ & 67.22(20)=1344.31 \\ & 1344.31=1000+i(1000+950+900+\cdots+50) \\ & 344.31=i(10,500) \\ & i=0.03279\end{aligned} </math> {{soacopyright | 2023 }}") | Nov 19'23 at 12:42 | +257 |