document.write( "Question 63833: A cyclist bikes x distance at 10 mph and returns over the same path at 8 mph. What is the cyclists average rate for the round trip in miles per hour. \n" ); document.write( "
Algebra.Com's Answer #44495 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! A cyclist bikes x distance at 10 mph and returns over the same path at 8 mph. What is the cyclists average rate for the round trip in miles per hour. \n" ); document.write( "------------------ \n" ); document.write( "x miles/10mph + x miles/8mph \n" ); document.write( "=[8x+10x]/[80] \n" ); document.write( "=18x/80 \n" ); document.write( "=(9/40)x hrs (This is total roundtrip time) \n" ); document.write( "-------- \n" ); document.write( "Total distance is 2x miles \n" ); document.write( "--------- \n" ); document.write( "Rate = distance/time = (2x)/[(9/40)x]= 80/9 mph \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " \n" ); document.write( " |