Betty likes calculating the sum of the digits that she sees on her digital clock (for instance, if the clock shows 21:17, then Betty gets 11). What is the biggest sum she can get if the clock is a 24-hour clock?

A) 24 B) 36 C) 19 D) 25 E) another answer

19:59 for time or 24

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ReplyDelete59 is greatest for minutes and 19 is greatest for hours.

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