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$1.00 for the first 20 minutes and then 10 cents per minute for each minute after the initial 20-minute call. This adjusts the rate to reflect fractions of a minute after the first 20 minutes.

Has to be piecewise function
5 years ago

Answers

oobleck
yes, it is.
Surely you can come up with at least the first piece ...
5 years ago

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