to calculate 12.5% of 20, you follow these steps:1. Convert the percentage to a decimal:12.5% can be expressed as a decimal by dividing it by 100:12.5\% = \frac{12.5}{100} = 0.1252. Multiply the decimal by the number:To find 12.5% of 20, multiply 0.125 by 20:0.125 \times 20 = 2.5Thus, 12.5% of 20 is 2.5.