document.write( "Question 358590: A family takes a car trip. They travel for an hour at 90 km/h and then for two hours at 40km/h Find their average speed during the trip \n" ); document.write( "
Algebra.Com's Answer #255937 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! Find the total distance. \n" ); document.write( "Divide that by the total time. \n" ); document.write( " \n" ); document.write( " |