Simple Math Trick You'll Wish You Had Always Known

Most people can't do

4% of 75 in their

Heads fast

But if you did 75% of

4, which is much

quicker to do, the

answer is 3.

3 is also the answer

of 4% of 75.

Let's try another:

12% of 50 is tough

quickly. But 50% of

12 is 6. And 6 is

also the answer for

12% of 50.