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Percentages made easy - fast shortcut trick!

Written By tecmath on Monday, Nov 17, 2014 | 10:47 PM

 
Percentages can be done mentally as quickly as you can work out basic multiplication. Use this trick to work out percentages instantly. To donate to the tecmath channel:https://paypal.me/tecmath To support tecmath on Patreon: https://www.patreon.com/tecmath To buy tecmath mechandise: https://teespring.com/stores/tecmath-store