document.write( "Question 1184072: Tara and Ben each run 6km every morning. Tara runs at an average speed of 10 km/h, while Ben runs at an average speed of 3 m/s.How long after Tara, should Ben begin running if they wish to complete their runs at the same time? Give your answer in minutes and seconds. \n" ); document.write( "
Algebra.Com's Answer #814639 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! Tara and Ben each run 6km every morning. \n" ); document.write( "Tara runs at an average speed of 10 km/h, while Ben runs at an average speed of 3 m/s. \n" ); document.write( "How long after Tara, should Ben begin running if they wish to complete their runs at the same time? \n" ); document.write( " Give your answer in minutes and seconds. \n" ); document.write( ": \n" ); document.write( "Find how long it takes T to run 6 km \n" ); document.write( "t = 6/10 hr \n" ); document.write( "t .6(60) = 36 min or 36*60 = 2160 seconds \n" ); document.write( ": \n" ); document.write( "Find how long it takes B to run 6 km \n" ); document.write( "6 km = 6000 meters \n" ); document.write( "t = 6000/3 \n" ); document.write( "t = 2000 seconds \n" ); document.write( ": \n" ); document.write( "2160 - 2000 = 160 seconds, which is 2 min 40 sec \n" ); document.write( ": \n" ); document.write( "Ben should begin 2 min 40 sec after Tara starts \n" ); document.write( " |