document.write( "Question 861373: If a full freight train averages 30mph traveling to its destination and 40mph empty on the return journey then what is the train's average speed to the nearest tenth of a mile per hour for the entire trip? \n" ); document.write( "
Algebra.Com's Answer #518983 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! How long did the trip take? \n" ); document.write( " |