Question

What is 1/5 of 100 ?

Answer 1

well. to do this, all you have to do is divide 100 by 5.
when you do, you get 20.
to check this, multiply 20 by 5.

Answer 2

1/5 of 100 = 1/5 * 100 = 1 * 100/5 = 100/5 = 20