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| rev | Admin | (Created page with "'''Solution: E''' Let n be the number of payments and let j be the interest rate per half-year. Because the given values are n – 1 half-years apart, <math display = "block"> 7,968.89(1+j)^{n-1}=19,549.25. </math> Also, <math display = "block"> 7.968.89=1,000\ddot{a}_{\overline{n}|}=1,000(a_{\overline{n-1}|})+1)=1,000\left(\frac{1-\nu^{n-1}}{j}+1\right)=1.000\left(\frac{1-7,968.89\cdot19.549.25}{j}+1\right) </math> Then, <math display = "block"> j={\frac{1-7,968.8...") | Nov 18'23 at 11:49 | +590 |