>>12088145

Proof.

Let's asign our 1$ and 20$ bills some serial numbers. Let's start with 1,2,3, ad infinitum...

Now, let's imagine, we're mapping each 20 dollar bill to a heap of twenty 1$ notes. That means, first twenty dollar bills gets mapped to #1 20$, serial numbers 21-40 to #2 20$ etc. We have enough one dollar bills to do so, so there cannot be less money in 1$ bills stack.

The other way it's trivial, there's no less money in 20$ bills than 1$.

This means they're equally infinite.