Tipping Point Tuesday takes on a global debate!

The United States and Canada use paper that is 8.5 inches by 11 inches, called US letter. However, the rest of the world officially uses A4 paper, which has a different aspect ratio. Which paper size is better, US letter or A4? Find the mathematical answer with the help of **Marc Chamberland **in a video from his YouTube channel Tipping Point Math.

**Marc Chamberland** takes on more mathematical scenarios in his book *Single Digits: In Praise of Small Numbers*. Read the first chapter here.