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| revprev | Admin | Jan 18'24 at 2:34 | +23 | ||
| revcurprev | Admin | Jan 18'24 at 2:34 | +23 | ||
| revcurprev | Admin | Jan 18'24 at 2:33 | +23 | ||
| revcurprev | Admin | Jan 18'24 at 0:25 | +26 | m | |
| revcur | Admin | (Created page with "'''Answer: B''' <math display="block"> \begin{aligned} & { }_{20} q_{30}=\frac{S_{0}(30)-S_{0}(50)}{S_{0}(30)}=\frac{\left(1-\frac{30}{250}\right)-\left(1-\left[\frac{50}{100}\right]^{2}\right)}{1-\frac{30}{250}}=\frac{\frac{220}{250}-\frac{3}{4}}{\frac{220}{250}} \\ & =\frac{440-375}{440}=\frac{65}{440}=\frac{13}{88}=0.1477 \end{aligned} </math>") | Jan 15'24 at 20:42 | +351 |