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| rev | Admin | (Created page with "'''Solution: E ''' <math display="block"> \begin{aligned} & P=X a_{\overline{12} | 0.02}+1000 v^{12} \\ & 500+P=2 X a_{\overline{12} | 0.02}+1000 v^{12} \end{aligned} </math> Subtract the first equation from the second. <math display="block"> \begin{aligned} & 500=X a_{\overline{12} \mid 0.02} \\ & X=47.28 \end{aligned} </math> {{soacopyright | 2023 }}") | Nov 19'23 at 22:50 | +362 |