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| rev | Admin | (Created page with "'''Solution: B''' Let <math>j</math> be the monthly interest rate. <math display = "block"> \begin{aligned} & 50,000(1+j)-800=49,800 \\ & j=0.012 \\ & 50,000=800 a_{n \mid 0.012} \\ & n=116.22 \end{aligned} </math> Drop payment at payment number 117. {{soacopyright | 2023 }}") | Nov 19'23 at 13:33 | +278 |