document.write( "Question 887301: A train runs for 2 hours at speed of 40 km/hr. It run for 4 1/2 hour at speed of 60 km/hr, and then run's for 3 1/2 hours at speed of 70 km/hr. Find the average speed of train? \n" ); document.write( "
Algebra.Com's Answer #536511 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! Find the total distance. \n" ); document.write( "Divide by the total time. \n" ); document.write( " \n" ); document.write( " |