Question

solution of this question simple interst on a sum of money os 9/16 of the sum . if the rate is 9/2%per annum ,find the time

Answer 1

$i = \frac{prt}{100} \\ \frac{9}{16} p = \frac{p \times 9 \times t}{2 \times 100} \\ t = \frac{9 \times 2 \times 100}{9 \times 16} \\ = \frac{25}{2} = 12.5$