rs agarwal class 9 excerise 7a solution

\left(1 + \frac{8R}{100}\right) = 960 \quad (1) \] \[ P \left(1 + \frac{12R}{100}\right) = 1200 \quad (2) \] Step 5: Divide (2) by (1): \[ \frac{1 + \frac{12R}{100}}{1 + \frac{8R}{100}} = \frac{1200}{960} = \frac{5}{4} \] Simplify numerator and denomina