document.write( "Question 34210: I do not have a textbook because I am home schooling. If anyone can help I would be grateful>\r
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document.write( "Al goes 8mph; Ben goes 22mph in the opposite direction. How many hours has Ben traveled before they are 180 miles apart? \n" );
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Algebra.Com's Answer #20500 by venugopalramana(3286) You can put this solution on YOUR website! SEE THE FOLLOWING AND TRY\r \n" ); document.write( "\n" ); document.write( "Travel_Word_Problems/29256: A freight train leaves Kansas and travels due west. A passenger train departs at exactly the same time on a parallel track and travels due east at a speed that is twice the speed of the freight train. After 7 hours the trains are 945 miles apart. How fast is each train traveling? \n" ); document.write( "1 solutions \n" ); document.write( "Answer 16084 by venugopalramana(1088) About Me on 2006-03-05 11:24:01 (Show Source): \n" ); document.write( "A freight train leaves Kansas and travels due west. A passenger train departs at exactly the same time on a parallel track and travels due east at a speed that is twice the speed of the freight train. After 7 hours the trains are 945 miles apart. How fast is each train traveling? \n" ); document.write( "TRAINS ARE TRAVELLING IN OPPOSITE DIRECTIONS..SO THEIR RELATVE SPEED =SUM OF THEIR INDIVIDUAL SPEEDS \n" ); document.write( "SPEED OF ONE TRAIN IS X MPH....SAY..SECOND TRAIN SPEED =2X..MPH....SO \n" ); document.write( "RELATIVE SPEED =X+2X=3X...MPH \n" ); document.write( "TIME =7 HRS \n" ); document.write( "INTIAL DISTANCE BETWEEN THEM =0 \n" ); document.write( "FINAL DISTANCE BETWEEN THEM =945 MILES \n" ); document.write( "SO DISTANCE CHANGE =945-0=945 MILES..HENCE \n" ); document.write( "945 =7*3X=21X \n" ); document.write( "X=945/21=45 MPH \n" ); document.write( "SO THE 2 TRAINS TRAVELLED AT 45 AND 90 MPH. \n" ); document.write( " |