document.write( "Question 784852: a driver travels 300km at 100km/hr. Return trip travels at 60km/hr on return trip. what is the average km/hr for the entire journey? \n" ); document.write( "
Algebra.Com's Answer #477277 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! a driver travels 300km at 100km/hr. Return trip travels at 60km/hr on return trip. what is the average km/hr for the entire journey? \n" ); document.write( "---------- \n" ); document.write( "Your question is not clear. \n" ); document.write( "If he goes at 100 and returns at 60, the average is \n" ); document.write( "--- \n" ); document.write( "2*100*60/(100+60) \n" ); document.write( "= 1200/16 \n" ); document.write( "= 75 km/hr \n" ); document.write( "----------- \n" ); document.write( "The distance is not a factor. \n" ); document.write( " \n" ); document.write( " |