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A related puzzle: Should you recharge your transport card before or after riding? https://trefethen.net/2018/03/25/metro-mean-and-variance/ https://trefethen
by DominikPeters 8y ago
A related puzzle: Should you recharge your
transport card before or after riding?
https://trefethen.net/2018/03/25/metro-mean-and-variance/ https://trefethen.net/2018/03/25/metro-mean-and-variance/
- scarejunba 8y agoThe right answer (in practice, though I admit the question is fun) is to "use your debit/credit card" (on the Tube, for instance) for the train or "set up auto-load if your transit system doesn't accept credit/debit cards" (on BART, for instance).