document.write( "Question 493256: Michael is traveling at 45 mph to his friends house. When he goes home the same way he travels at 40 mph. The round trip takes 4 hours in total. How much distance is the whole trip. \n" ); document.write( "
Algebra.Com's Answer #335319 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! The average speed is 2*40*45/(40+45) = 720/17 mi/hr \n" ); document.write( "d = r*t = 4*720/17 = 2880/17 miles round trip \n" ); document.write( "=~ 84.7 miles round trip\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |