document.write( "Question 784098: a disabled freight train is traveling toward a station 140 km away at a speed of 32 km/h. another train, traveling 80 km/h, leaves the station to pick up the freight. when will the two trains meet? \n" ); document.write( "
Algebra.Com's Answer #477008 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! a disabled freight train is traveling toward a station 140 km away at a speed of 32 km/h. \n" ); document.write( "another train, traveling 80 km/h, leaves the station to pick up the freight. \n" ); document.write( " when will the two trains meet? \n" ); document.write( ": \n" ); document.write( "Let t = travel time for the two trains to meet \n" ); document.write( ": \n" ); document.write( "When the two trains meet, they will have traveled a total of 140 km \n" ); document.write( "Write a distance equation, dist = speed * time \n" ); document.write( ": \n" ); document.write( "32t + 80t = 140 \n" ); document.write( "112t = 140 \n" ); document.write( "t = 140/112 \n" ); document.write( "t = 1.25 hrs or 1 hr, 15 min \n" ); document.write( " |