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| rev | Admin | (Created page with "'''Solution: B''' <math display="block"> \begin{aligned} & (1+j)^{12}=1.08 \\ & j=0.006434 \\ & 225 \ddot{s}_{\overline{240} \mid 0.006434}=128,848.51 \\ & 128,848.51=X \ddot{a}_{\overline{30} \mid 0.07} \\ & 128,848.51=X(13.27767) \\ & X=9704.15 \end{aligned} </math> {{soacopyright | 2023 }}") | Nov 18'23 at 21:29 | +296 |