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by samatman 752 days ago
As far as I can tell, this is an aspect of language which people merely pretend to have problems with, out of pedantry, rather than a barrier to understanding in any possible case.

Everyone understands that if A is 2x faster than B, then B is 2x slower than A. If you say either of these things to someone with a basic grasp of sums, and then tell them A takes one second, they'll know that B takes two seconds. It doesn't matter which one you supply. No one would get this wrong.

1 comments

One of me and my PhD advisor got it wrong. When "120% slower" is vastly faster than "80% slower", there will be confusion.