document.write( "Question 894922: a man walks x km uphill at 3km/h and walks the same distance back at 6km/h. What is his average speed? \n" ); document.write( "
Algebra.Com's Answer #542432 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! Avg speed = 2*3*6/(3+6) \n" ); document.write( "= 4 km/hr \n" ); document.write( " |