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| rev | Admin | (Created page with "'''Solution: D''' <math display = "block"> \begin{aligned} & F V=100\left[\frac{1-\left(\frac{0.9}{1.03}\right)^{20}}{0.03+0.10}\right](1.03)^{20} \\ & F V=1295.80 \end{aligned} </math> Alternatively, <math display = "block"> F V=100\left[(1.03)^{19}+0.9(1.03)^{18}+\cdots+(0.9)^{19}(1.03)^0\right]=100 \frac{(1.03)^{19}-(0.9)^{20}(1.03)^{-1}}{1-0.9(1.03)^{-1}}=1295.80 </math> {{soacopyright | 2023 }}") | Nov 18'23 at 19:45 | +406 |