ABC26GN2105 · Percentage

(i) 70\% of 320 + 45\% of $240=\left(\frac{70}{100} \times 320+\frac{45}{100} \times 240\right)=224+108=332$. (ii) $16 \frac{2}{3} \%$ of $600 \mathrm{gm}-33 \frac{1}{3} \%$ of 180 gm $$=\left[\left(\frac{50}{3} \times \frac{1}{100} \times 600\right)-\left(\frac{100}{3} \times \frac{1}{100} \times 180\right)\right] \mathrm{gm}=(100-60) \mathrm{gm}=40 \mathrm{gm} .$$