document.write( "Question 178125: A car travels 40 mph for 20 miles, 36 mph for 24 miles, and 48 mph for 16 miles. what is its average speed? \n" ); document.write( "
Algebra.Com's Answer #133060 by josmiceli(19441) You can put this solution on YOUR website! The average speed is NOT the average of the averages \n" ); document.write( "The average speed is (total distance)/(total time) \n" ); document.write( "For the 3 parts od the trip, \n" ); document.write( "(1) \n" ); document.write( "(2) \n" ); document.write( "(3) \n" ); document.write( "given: \n" ); document.write( "(1) \n" ); document.write( "(2) \n" ); document.write( "(3) \n" ); document.write( "---------------------- \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "and \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "Average speed = \n" ); document.write( " \n" ); document.write( " |