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| rev | Admin | (Created page with "'''Solution: C''' '''Option 1''' <math display = "block"> \begin{aligned} & 1500=P a_{\overline{2000.05}} \\ & P=120.3639 \\ & \text { Total Payment }=120.3639(20)=2407.28 \end{aligned} </math> '''Option 2''' <math display = "block"> \begin{aligned} & \text { Total Payment }= 75 * 20+1500 i+(1500-75) i+ \\ &(1500-2 * 75) \cdot i+\cdots+(1500-19 * 75) i \\ &= 1500+1500 i(20)-75 i \cdot \sum_{k=0}^{19} k \\ &= 1500+30,000 i-75 i \cdot\left(\frac{19(20)}{2}\right) \\...") | Nov 19'23 at 13:31 | +586 |