To find 40% of 20, you can use the formula for calculating a percentage. First, convert the percentage to a decimal by dividing by 100. So, 40% becomes 0.40.
Next, multiply the decimal by the number you’re interested in:
0.40 × 20 = 8
Therefore, 40% of 20 is 8. This means that if you take 40 out of every 100 parts of 20, you would get 8 parts.