document.write( "Question 272919: Jack runs the mile in 3 minutes and 56.7 seconds. How long does it take him to run 2km at the same average speed? PLEASE SHOW HOW TO DO IT \n" ); document.write( "
Algebra.Com's Answer #199464 by rfer(16322)\"\" \"About 
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one mile equals 1.61 km
\n" ); document.write( "3*60+56.7=236.7 sec for 1.61 km
\n" ); document.write( "236.7/1.61=147 sec per km
\n" ); document.write( "147*2=294 sec for 2 km or 4 min 54 sec
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