• May 2, 2026 rs agarwal class 9 excerise 7a solution 0}{960} = \frac{5}{4} \] Simplify numerator and denominator: \[ \frac{\frac{100 + 12R}{100}}{\frac{100 + 8R}{100}} = \frac{5}{4} \] \[ \frac{100 + 12R}{100 + 8R} = \frac{5}{4} \] Step 6: Cross-multiplied: \[ 4(100 + 12R) = 5(100 + 8R) \] \[ 400 + 48R = 500 + 40R \] \[ By Mr. Myrtice Jaskolski
