document.write( "Question 1203916: 9900 sec = how many hours? \n" ); document.write( "
Algebra.Com's Answer #839829 by mananth(16946)\"\" \"About 
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9900 sec = how many hours?\r
\n" ); document.write( "\n" ); document.write( "1 hour = 60 minutes\r
\n" ); document.write( "\n" ); document.write( "1minute = 60 secs\r
\n" ); document.write( "\n" ); document.write( "there fore 60*60 = 3600 seconds = 1 hour\r
\n" ); document.write( "\n" ); document.write( "9900 seconds = 9900/3600=2.75 hours
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