15% of $500 is calculated by multiplying $500 by 0.15, which equals $75. So, 15% of $500 is $75.
28% of $125 is calculated by multiplying $125 by 0.28, which equals $35. So, 28% of $125 is $35.
5% of $20 is calculated by multiplying $20 by 0.05, which equals $1. So, 5% of $20 is $1.
