document.write( "Question 936252: Bob drove home to work at 30mph. After work the traffic was heavier, and he drove home at 25 mph. His driving time to and from work was 1 hour and 6 minutes. How far does he live from his job \n" ); document.write( "
Algebra.Com's Answer #569812 by mananth(16946)![]() ![]() You can put this solution on YOUR website! let distance from work place to home be x miles\r \n" ); document.write( "\n" ); document.write( "time while going = x/30\r \n" ); document.write( "\n" ); document.write( "time returning = x/25\r \n" ); document.write( "\n" ); document.write( "total time = 1 hour 6 minutes = 1 6/60 = 11/10 hours\r \n" ); document.write( "\n" ); document.write( "x/30 + x/25 = 11/10\r \n" ); document.write( "\n" ); document.write( "multiply equation by LCM 150\r \n" ); document.write( "\n" ); document.write( "150*x/30 + 150*x/25 = 150*11/10\r \n" ); document.write( "\n" ); document.write( "5x+6x=165\r \n" ); document.write( "\n" ); document.write( "11x=165 \n" ); document.write( "/11 \n" ); document.write( "x=15\r \n" ); document.write( "\n" ); document.write( "Distance = 15 miles \r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |