Easy Percentage Trick you were Never Taught at School!

This percentage trick is so easy - but you probably don't know it...because, let's face it, you were not paying attention in school when the teacher told you! That's OK - youtube and tecmath has your back - with this, the easiest percentage trick you were EVER taught in school! To donate to the tecmath channel:https://paypal.me/tecmath To support tecmath on Patreon: https://www.patreon.com/tecmath To buy tecmath mechandise: teespring.com/stores/tecmath-store More percentage tricks: https://www.youtube.com/watch?v=8fG9nbVV9g4&list=PLjbxBzUM6SLn7pLTxrksJjlHoLY8aOcGk&index=7