How easily and quickly take interest in mind
Tips / / December 19, 2019
We are all sure what to expect interest rates - this is very difficult, and if we do not always use a calculator for this, then certainly always use the good old school proportion. If you want to learn quickly take interest in mind, this video is for you.
It does not matter whether you are counted tip the waiter or you just need to quickly make any mathematical calculations, interest rates - is something that can confound even the student's physics and mathematics.
Here's a video that will tell you how to quickly calculate percentages in mind.
We all remember from school, how to find the 10% and 50% of the number. Knowing this, you can find other interests with the help of simple manipulation. For instance:
- To find 5%, get 10% and divide by two.
- To find the 15%, get 10%, and then add 5%.
- To find the 20%, get 10% and multiply by two.
- To find the 25%, get 50% and divide by two.
- To find the 60%, get 50% and add 10%.
- To find the 75%, get 50%, and then add 25%, and so on. D.
As we see, knowing the "simple" interest, you can find almost any interest. So safely set it aside calculator.