You're on a roll — Question 3: Find $7\frac{1}{2}\%$ of K236. Step 1: Convert the mixed percentage to a decimal. $$7\frac{1}{2}\% = 7.5\%$$ To convert a percentage to a decimal, divide by $100$. $$7.5\% = \frac{7.5}{100} = 0.075$$ Step 2: Multiply the decimal by the given amount. $$0.075 \times 236$$ $$0.075 \times 236 = 17.7$$ The currency unit is K. The answer is K17.70. $$\boxed{\text{K17.70}}$$ Question 4: What per cent of K30 816 is K2 311.2? Step 1: Set up the percentage formula. $$\text{Percentage} = \frac{\text{Part}}{\text{Whole}} \times 100\%$$ Step 2: Substitute the given values. The "whole" is K30 816 and the "part" is K2 311.2. $$\text{Percentage} = \frac{2311.2}{30816} \times 100\%$$ Step 3: Perform the calculation. $$\frac{2311.2}{30816} = 0.075$$ $$0.075 \times 100\% = 7.5\%$$ $$\boxed{7.5\%}$$ Got more? Send 'em 📸