Calculating the Percentage
To calculate what percentage 0.5 is out of 20, we need to divide 0.5 by 20. The answer is 0.025, which is equal to 2.5%. To convert that to a percentage, we need to multiply the answer by 100, so the final answer would be 2.5%.
We can also express this as a fraction or as a decimal. As a fraction, it would be 1/40 and as a decimal it would be 0.025. In both cases, the two numbers must be multiplied by 100 to get the percentage.
To make sure you understand how to calculate what percentage 0.5 is of 20, try calculating what percentage 3 is of 12 for practice. The answer should be 25%.
