document.write( "Question 571298: A train leaves the terminal averaging 45 MPH. A second train leaves the same terminal 2 hours later, averaging 60 MPH. How long will it take the second train to catch up to the first train?
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Algebra.Com's Answer #368043 by scott8148(6628)\"\" \"About 
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the 1st train has a 90 mi (45 * 2) head start\r
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\n" ); document.write( "\n" ); document.write( "the second train closes the distance at 15 mph (60 - 45)\r
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\n" ); document.write( "\n" ); document.write( "how long to go 90 mi at 15 mph?
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