I don't think this is quite right. As long as A < C then additional adults tend to reduce T. It's only once there as many adults as kids that additional adults slow things down.
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Adults includes people aged over 60, and the subset of over-60s who are over 80. And it includes adults of all ages who aren’t the parents of the children.
aug 25, 2025, 9:28 pm • 0 0 • view