document.write( "Question 884133: suppose you have entered a 62 mile biathlon that consist of a run and a bicycle race. during your run your average velocity is 8mph and during your bicycle race your average velocity is 20mph. you finished the race in 4 hrs. what is the distance of the run? \n" ); document.write( "
Algebra.Com's Answer #534014 by lwsshak3(11628) ![]() You can put this solution on YOUR website! uppose you have entered a 62 mile biathlon that consist of a run and a bicycle race. during your run your average velocity is 8mph and during your bicycle race your average velocity is 20mph. you finished the race in 4 hrs. what is the distance of the run? \n" ); document.write( "*** \n" ); document.write( "let x=travel time of running race \n" ); document.write( "4-x=travel time of bicycle race \n" ); document.write( "distance=speed*travel time \n" ); document.write( ".. \n" ); document.write( "8x+20(4-x)=62 \n" ); document.write( "8x+80-20x=62 \n" ); document.write( "12x=18 \n" ); document.write( "x=3/2 \n" ); document.write( "8x=12 \n" ); document.write( "distance of the run=12 miles \n" ); document.write( " |