document.write( "Question 384028: 2 runners can average 8 and 10 yards per second respectively. if the slower runner was given 7 1/2 second head start in a race that ended in a tie, what was the distance they raced? \n" ); document.write( "
Algebra.Com's Answer #271856 by mananth(16946)![]() ![]() You can put this solution on YOUR website! runner A = 8 yards/second \n" ); document.write( "Runner B = 10 yards/second \n" ); document.write( ".. \n" ); document.write( "Runner A 7.5 seconds head start \n" ); document.write( "When B starts he has run 7.5 *8 =60 yards. \n" ); document.write( ".. \n" ); document.write( "the make up speed between them is 10-8 = 2 yards /second \n" ); document.write( ".. \n" ); document.write( "distance = 60 yards \n" ); document.write( ".. \n" ); document.write( "t= 60/2 \n" ); document.write( "t = 30 second. \n" ); document.write( ".. \n" ); document.write( "Runner B catches up runner A after 30 seconds at the finishing line. \n" ); document.write( "rate of runner B = 10 yards/second \n" ); document.write( ".. \n" ); document.write( "Distance = 10*30 = 300 yards. \n" ); document.write( ".. \n" ); document.write( "Race distance = 300 yards \n" ); document.write( ".. \n" ); document.write( "m.ananth@hotmail.ca \n" ); document.write( " |