[cogman10]

For something like this, annotated graphs and examples (IMO) work a lot better than formulas in explaining the problem and solution.

Particularly because distributed computer systems aren't pure math problems to be solved. Load often comes from usage which is often closer to random inputs rather than predicable variables. Further, how load is processed depends on a bunch of things from the OS scheduler to the current load on the network.

It can be hard to really intuitively understand that a bottlenecked system processes the same load slower than an unbound system.