document.write( "Question 846937: Two persons are to run a race, but one can run 11 meters per second, whereas the other can run 5 meters per second. If the slower runner has a 87-meter head start, how long will it be before the faster runner catches the slower runner, if they begin at the same time?
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Algebra.Com's Answer #510314 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! Two persons are to run a race, but one can run 11 meters per second, whereas the other can run 5 meters per second. \n" ); document.write( " If the slower runner has a 87-meter head start, how long will it be before the faster runner catches the slower runner, if they begin at the same time? \n" ); document.write( ": \n" ); document.write( "Let t = time in seconds for this to happen \n" ); document.write( ": \n" ); document.write( "Write a distance equation; dist = speed * time \n" ); document.write( ": \n" ); document.write( "t(11-5) = 87 \n" ); document.write( "6t = 87 \n" ); document.write( "t = 87/6 \n" ); document.write( "t = 14.5 seconds \n" ); document.write( ": \n" ); document.write( ": \n" ); document.write( "Confirm this; find the distance each ran. \n" ); document.write( "11 * 14.5 = 159.5 meters \n" ); document.write( " 5 * 14.5 = 72.5 \n" ); document.write( "-------------------- \n" ); document.write( "difference: 87 m \n" ); document.write( " |