document.write( "Question 316550: A digital clock shows either 3 digits or 4 digits at a time . at what time do the digits on a digital clock have the greatest sum ? \n" ); document.write( "

Algebra.Com's Answer #226444 by Fombitz(32388) $\"\"$ $\"About$

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Look at the digits from the left.
\n" ); document.write( "I assume you mean a 12 hour clock and not a 24 hr clock.
\n" ); document.write( "First two digits : 01 to 12- max=12
\n" ); document.write( "Last two digits: 00 to 59-max=59
\n" ); document.write( "1259 which sums to 17. \n" ); document.write( "

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