document.write( "Question 473398: two persons are to run a race,but one can run 10 meters per second, whereas the other can run 6 meters per second. if the slower runner has a 70-meter head start, how long will it be before the faster runner if they began at the same time?
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Algebra.Com's Answer #324661 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 10 meters per second, whereas the other can run 6 meters per second. \n" ); document.write( " if the slower runner has a 70-meter head start, how long will it be before the faster runner catches the slower runner, if they began at the same time? \n" ); document.write( ": \n" ); document.write( "Let t = time required for the faster runner to overtake the slower \n" ); document.write( ": \n" ); document.write( "Write a distance equation: dist = speed * time \n" ); document.write( ": \n" ); document.write( "10t = 6t + 70 \n" ); document.write( "10t - 6t = 70 \n" ); document.write( "4t = 70 \n" ); document.write( "t = \n" ); document.write( "t = 17.5 seconds \n" ); document.write( ": \n" ); document.write( ": \n" ); document.write( "Check this, the faster runner has to cover 70 m more than the slower \n" ); document.write( "1.75*10 = 175 m \n" ); document.write( "17.5*6 = 105 m\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |