document.write( "Question 268977: At 5:00 am a train leave a station and travels at a rate of 35 mph. At 7:00 am a second train leaves the same station on the same track and travels in the direction of the first train at a speed of 45 mph. At 8:00am how many miles separate the two trains \n" ); document.write( "
Algebra.Com's Answer #197110 by drk(1908)\"\" \"About 
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This is an RTD question. Here is a table based on the given information
\n" ); document.write( "trains . . . . . . . .rate . . . . . . . . .time . . . . . . . .. distance
\n" ); document.write( "A . . . . . . . . . . . 35 . . . . . . . . . . t. . . . . . . . . . . .35t
\n" ); document.write( "B . . . . . . . . . . . 45. . . . . . . . . . t-2. . . . . . . . . . 45t - 90
\n" ); document.write( "total . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
\n" ); document.write( "8 am means t = 3.
\n" ); document.write( "we get
\n" ); document.write( "train A at a distance of 105
\n" ); document.write( "train B at a distance of 45
\n" ); document.write( "The distance between them at 8 AM is then 60 miles
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