document.write( "Question 402077: If you bike for 60km at 30km/h and return at 20km/h, what is your average speed for the whole trip? \n" ); document.write( "
Algebra.Com's Answer #726991 by amalm06(224)![]() ![]() You can put this solution on YOUR website! (1/20)(60)=3\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "(1/30)(60)=2\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Average speed=(60+60)/5=24 km/hr \n" ); document.write( " |