document.write( "Question 63570This question is from textbook Glencoe Mathematics
\n" ); document.write( ": An express train travels 80 kilometers per hour from Ironton to Wildwood. A local train,traveling at 48 kilometers per hour, takes 2 hours longer for the same trip. How far apart are Ironton and Wildwood? \n" ); document.write( "

Algebra.Com's Answer #44301 by josmiceli(19441) $\"\"$ $\"About$

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d = distance between towns
\n" ); document.write( " $\"d+=+r%5B1%5D+%2A+t%5B1%5D\"$
\n" ); document.write( " $\"d+=+r%5B2%5D+%2A+t%5B2%5D\"$
\n" ); document.write( "where
\n" ); document.write( " $\"r%5B1%5D\"$ = speed of the 1st train in km/hr
\n" ); document.write( " $\"r%5B2%5D\"$ = speed of 2nd train in km/hr
\n" ); document.write( " $\"t%5B1%5D\"$ = time of travel of 1st train in hrs
\n" ); document.write( " $\"t%5B2%5D\"$ = time of travel of 2nd train in hrs
\n" ); document.write( " $\"d+=+80t%5B1%5D\"$
\n" ); document.write( " $\"d+=+48t%5B2%5D\"$
\n" ); document.write( "problem says $\"t%5B2%5D+=+t%5B1%5D+%2B+2\"$
\n" ); document.write( " $\"d+=+48+%2A+%28t%5B1%5D+%2B+2%29\"$
\n" ); document.write( " $\"80t%5B1%5D+=+48+%2A+%28t%5B1%5D+%2B+2%29\"$
\n" ); document.write( " $\"80t%5B1%5D+=+48t%5B1%5D+%2B+96\"$
\n" ); document.write( " $\"32t%5B1%5D+=+96\"$
\n" ); document.write( " $\"t%5B1%5D+=+3\"$
\n" ); document.write( " $\"d+=+80t%5B1%5D\"$
\n" ); document.write( " $\"d+=+80%2A3\"$
\n" ); document.write( " $\"d+=+240\"$
\n" ); document.write( "the towns are 240 km apart \n" ); document.write( "

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