document.write( "Question 484761: Man jogs 10 km/hr. to stadium. He drives back at 60 km/hr. and saves one hour. How far was the stadium. \n" ); document.write( "
Algebra.Com's Answer #331733 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! Man jogs 10 km/hr. to stadium. \n" ); document.write( " He drives back at 60 km/hr. and saves one hour. \n" ); document.write( " How far was the stadium. \n" ); document.write( ": \n" ); document.write( "First find the times, write a distance equation, dist = speed * time \n" ); document.write( "Let t = his jogging time \n" ); document.write( "then \n" ); document.write( "(t-1) = his driving time \n" ); document.write( ": \n" ); document.write( "jog dist = drive dist \n" ); document.write( "10t = 60(t-1) \n" ); document.write( "10t = 60t - 60 \n" ); document.write( "60 = 60t - 10t \n" ); document.write( "60 = 50t \n" ); document.write( "t = \n" ); document.write( "t = 1.2 hrs to jog it, then obviously, .2 hrs to drive it \n" ); document.write( ": \n" ); document.write( "Find the dist: \n" ); document.write( "10 * 1.2 = 12 km to the stadium \n" ); document.write( "Check the dist \n" ); document.write( ".2(60) = 12 km also \n" ); document.write( " |