document.write( "Question 481036: In traveling from city A to city B, John drove for 1 hour at 50 mph and for 3 hours at 60 mph. What was his average speed for the whole trip \n" ); document.write( "
Algebra.Com's Answer #329389 by rfer(16322)![]() ![]() ![]() You can put this solution on YOUR website! (3*60+50)/4=57.5 mph \n" ); document.write( " |