document.write( "Question 894213: it took you 19 minutes and 37 seconds to run 5 kilometer. how long did it take you to run each mile? \n" ); document.write( "
Algebra.Com's Answer #541995 by ankor@dixie-net.com(22740) You can put this solution on YOUR website! it took you 19 minutes and 37 seconds to run 5 kilometer. \n" ); document.write( " how long did it take you to run each mile? \n" ); document.write( ": \n" ); document.write( "Change 19 min 37 sec to seconds: 19(60) + 37 = 1177 seconds \n" ); document.write( "Change 5 km to miles: .6214 * 5 = 3.107 miles \n" ); document.write( ": \n" ); document.write( "let t = time to run a mile \n" ); document.write( "Write a ratio equation \n" ); document.write( " \n" ); document.write( "3.107t = 1177 \n" ); document.write( "t = 1177/3.107 \n" ); document.write( "t ~ 378.8 seconds which is 6 min 19 sec to run a mile \n" ); document.write( " |