document.write( "Question 348965: a bike is travelling 35km/h. A car is travelling 80km/h and begins 180km behind the bike. How long will it take the car to reach the bike? \n" ); document.write( "
Algebra.Com's Answer #249427 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! a bike is travelling 35km/h. A car is travelling 80km/h and begins 180km behind the bike. How long will it take the car to reach the bike? \n" ); document.write( "--------------- \n" ); document.write( "The speed of the car relative to the bike is 45 kph (80 - 35). \n" ); document.write( "180/45 = 4 hours. \n" ); document.write( "----------------- \n" ); document.write( "All motion is relative. Pick your frame of reference. \n" ); document.write( " \n" ); document.write( " |