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Omni-MATH / The sum of the digits of the time 19 minutes ago is two less than the sum of the…

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problem

The sum of the digits of the time 19 minutes ago is two less than the sum of the digits of the time right now. Find the sum of the digits of the time in 19 minutes. (Here, we use a standard 12-hour clock of the form hh:mm.)

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