document.write( "Question 397092: A student rode a bicycle to the repair shop and then walked home. The student over aged 14mph riding to the shop and 3.5 mph walking home. The round trip took an hour. How far was it between the students home and the bicycle shop? \n" ); document.write( "
Algebra.Com's Answer #281598 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! There's a shortcut for this, similar to parallel resistors. \n" ); document.write( "---------------- \n" ); document.write( "Overall average speed = 2*product/sum \n" ); document.write( "= 2*3.5*14/17.5 \n" ); document.write( "= 5.6 mph \n" ); document.write( "---------- \n" ); document.write( "5.6 mph * 1 hour = 5.6 miles RT \n" ); document.write( "= 2.8 miles one way \n" ); document.write( " \n" ); document.write( " |