document.write( "Question 960253: Jennifer rode her bike to the store at a rate of 15 mi/h. She rode back home at a rate of 10 mi/h. How far is it to the store if the round trip takes 1 hour? \n" ); document.write( "
Algebra.Com's Answer #586848 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! Jennifer rode her bike to the store at a rate of 15 mi/h. She rode back home at a rate of 10 mi/h. How far is it to the store if the round trip takes 1 hour? \n" ); document.write( "=============== \n" ); document.write( "Avg speed of a round trip is \n" ); document.write( "---- \n" ); document.write( "2*r1*r2/(r1 + r2) \n" ); document.write( "= 2*15*10/(25) \n" ); document.write( "= 12 mi/hr \n" ); document.write( "----- \n" ); document.write( "RT distance = 12*1 = 12 miles \n" ); document.write( "Distance to the store = 6 miles\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |