Alternatively, perhaps shifts from 3:7 to 7:5 — if 3:7 is pre, then modern is 7:5 — but 7:5 is less than 3:7? 7/5 = 1.4, 3/7 ≈ 0.43 — no, modern ratio is less concentrated in B. - AMAZONAWS
Understanding the Mathematical Shift from 3:7 to 7:5: Is the Modern Ratio Less Concentrated in B?
Mar 11, 2026