document.write( "Question 431662: A train track is 450 miles long. On one end of the track, Train A leaves the station at 4PM. On the opposite end of the track, Train B leaves leaves at 6PM. If Train A travels 45 mph and Train B travels 60 mph, when will they meet? \n" ); document.write( "

Algebra.Com's Answer #299487 by josmiceli(19441) $\"\"$ $\"About$

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Train A got a 2 hour head start. At 45 mi/hr
\n" ); document.write( " $\"+d%5B1%5D+=+45%2A2+\"$
\n" ); document.write( " $\"+d%5B1%5D+=+90+\"$ miles is the head start
\n" ); document.write( "At 6 PM the trains are $\"+450+-+90+=+360+\"$ miles apart
\n" ); document.write( "you can think of one train standing still and the other
\n" ); document.write( "heading towards it at the sum of their speeds
\n" ); document.write( " $\"+360+=+%2845+%2B+60%29%2At+\"$
\n" ); document.write( " $\"+t+=+360%2F105+\"$
\n" ); document.write( " $\"+t+=+24%2F7+\"$
\n" ); document.write( " $\"+t+=+3.429+\"$ hrs
\n" ); document.write( "They meet at 9:26 PM (to nearest minute) \n" ); document.write( "

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