document.write( "Question 243386: A car travels 120 km from A to B at 30 km per hour but returns the same distance at 40 km per hour. The average speed for the round trip is closest to \n" ); document.write( "
Algebra.Com's Answer #178346 by GARGI(3)![]() ![]() You can put this solution on YOUR website! With 30km/h car travel 120 km in 4hours and return Journey of 120km in 3 hours. \n" ); document.write( "so car travels total 240 km in 7 hours. So the average speed of car for this total journey is appro. 34.28km/hr(240km/7houres) i.e. closest to 34 km/hr. \n" ); document.write( " |