Question

What is 20% of 100

Answer 1

20%... percent.. per cent... per 100
20 per 100
so 20% of 100 = 20

Answer 2

This is always true: \[\alpha\text{ percent of }X = \frac{\alpha}{100} X\]So for example, 35 percent of 20 is equal to \(\frac{35}{100}20=\frac{35}{5}=7\).