I hated that for like a half year you could hear it from all speakers, everywhere, it became annoying very quickly. That’s what it reminds me.

the third order would be they learn about coastal erosion in california

Mirror:

My engineering brain says it’s 3.25.

4% is ~ 5%. 10% of 75 is 7.5. To get the 5% I have to divide it by 2, so 4% of 75 is close to 3.25. I will have to multiply it with some safety coefficient at the end, so the exact value doesn’t matter.