document.write( "Question 57738: jerry spent 2.5 h biking up mount lowe, rested at the top for 30 min, and biked down in 1.5 hr. how far did he bike if his rate of ascent was 3 km/h less than his rate of descent? \n" ); document.write( "
Algebra.Com's Answer #39417 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! jerry spent 2.5 h biking up mount lowe, rested at the top for 30 min, and biked down in 1.5 hr. how far did he bike if his rate of ascent was 3 km/h less than his rate of descent? \n" ); document.write( "---------------- \n" ); document.write( "Biking up DATA: \n" ); document.write( "time = 2.5 hr. ; rate= x-3 km/hr ; distance = rt= 2.5(x-3) km \n" ); document.write( "----------- \n" ); document.write( "Biking down Data: \n" ); document.write( "time = 1.5 hr; rate = x km/hr ; distance = 1.5x km \n" ); document.write( "--------- \n" ); document.write( "EQUATION: \n" ); document.write( "1.5x=2.5x-7.5 \n" ); document.write( "-x=-7.5 \n" ); document.write( "x=7.5 km/hr (Biking down rate) \n" ); document.write( "Distance= 7.5(1.5)=11.25 km (Biking down distance Biking up distance) \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |