document.write( "Question 71873: henry bicycled around a track in 3 minutes 43.6 seconds.the next day he cycled around the same track in 3 minutes 40.8 seconds. by how many seconds did henry improve his time \n" ); document.write( "
Algebra.Com's Answer #51360 by tutorcecilia(2152)\"\" \"About 
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3 minutes 43.6 seconds
\n" ); document.write( "3 minutes 40.8 seconds
\n" ); document.write( "_______________________ [Subtract to find the difference]
\n" ); document.write( "0 minutes 2.8 seconds improvement\r
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