document.write( "Question 814880: Train A leaves the station traveling 20 m/h heading east.2 hours later train B leaves the same train traveling west at 35m/h.How long will it take for the two trains to be 205 miles away from each other? \n" ); document.write( "
Algebra.Com's Answer #490611 by mananth(16946)![]() ![]() You can put this solution on YOUR website! Train A leaves the station traveling 20 m/h heading east.2 hours later train B leaves the same train traveling west at 35m/h.How long will it take for the two trains to be 205 miles away from each other?\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "in 2 hours train A has traveled 2*20 = 40 miles\r \n" ); document.write( "\n" ); document.write( "when train B starts they are 40 miles apart\r \n" ); document.write( "\n" ); document.write( "actual distance when both are moving = 205-40=165 miles\r \n" ); document.write( "\n" ); document.write( "they are moving away from each other \n" ); document.write( "add up their speeds\r \n" ); document.write( "\n" ); document.write( "35+20 = 55 mph \n" ); document.write( "D= 165 miles \n" ); document.write( "t=d/r\r \n" ); document.write( "\n" ); document.write( "=165/55 \n" ); document.write( "=3 hours\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |