document.write( "Question 803347: Sarah spent 2hrs more travelling by train than by bus. The train averaged 70
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document.write( "km/h and the bus 50 km/h. how far did shee travel by bus if the total trip covered 740 km?
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Algebra.Com's Answer #484290 by mananth(16946) You can put this solution on YOUR website! Sarah spent 2hrs more travelling by train than by bus. The train averaged 70 \n" ); document.write( "km/h and the bus 50 km/h. how far did shee travel by bus if the total trip covered 740 km? \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Let time on bus be x \n" ); document.write( "time on train = x+2\r \n" ); document.write( "\n" ); document.write( "bus rate = 50 km/h \n" ); document.write( "train rate = 70km/h\r \n" ); document.write( "\n" ); document.write( "distance bus + distance train = 740\r \n" ); document.write( "\n" ); document.write( "d=rt\r \n" ); document.write( "\n" ); document.write( "50x+70(x+2)=740\r \n" ); document.write( "\n" ); document.write( "50x+70x+140=740\r \n" ); document.write( "\n" ); document.write( "120x+140=740\r \n" ); document.write( "\n" ); document.write( "120x=600 \n" ); document.write( "/120 \n" ); document.write( "x=5 hours Time on bus \n" ); document.write( " |