To find 20% of 80, you can follow a simple calculation. First, convert the percentage into a decimal. To do this, divide 20 by 100, which gives you 0.20. Next, multiply this decimal by 80.
So, the calculation looks like this:
0.20 × 80 = 16
Therefore, 20% of 80 is 16. This means if you take 20% of a group of 80 items, you would have 16 items.