document.write( "Question 420325: A cattle train left Miami and traveld toward New York. 14 hours later a diesel train left traveling at 45km/h in an effort to catch up to the cattle train. After traveling for four hours the diessel train finally caught up. What was the cattle train's average speed? \n" ); document.write( "
Algebra.Com's Answer #293767 by josmiceli(19441)\"\" \"About 
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Let \"s\" = the cattle train's average speed
\n" ); document.write( "How much of a head start does the cattle train have?
\n" ); document.write( "head start = \"+s%2A14+\"
\n" ); document.write( "Start a stopwatch when diesel leaves Miami
\n" ); document.write( "Both trains will now travel for 4 hrs
\n" ); document.write( "given:
\n" ); document.write( "For cattle train:
\n" ); document.write( "(1) \"+d+=+s%2A4+\"
\n" ); document.write( "For diesel train:
\n" ); document.write( "(2) \"+d+%2B+14s+=+45%2A4+\"
\n" ); document.write( "-----------
\n" ); document.write( "(2) \"+d+%2B+14s+=+180+\"
\n" ); document.write( "(1) \"+d+-+4s+=+0%7D%7D%0D%0ASubtract+%281%29+from+%282%29%0D%0A%282%29+%7B%7B%7B+d+%2B+14s+=+180+\"
\n" ); document.write( "(1) \"+-d+%2B+4s+=+0\"
\n" ); document.write( "\"18s+=+180\"
\n" ); document.write( "\"+s+=+10\"
\n" ); document.write( "This is the cattle train's average speed from
\n" ); document.write( "the time that the diesel left Miami
\n" ); document.write( "Before that The cattle train traveled
\n" ); document.write( "\"10%2A14+=+140\" km
\n" ); document.write( "(1) \"d+=+4s\"
\n" ); document.write( "(1) \"d+=+40\" km
\n" ); document.write( "The cattle train went 180 km for \"14+%2B+4+=+18\" hr
\n" ); document.write( "\"s+=+180%2F18+=+10\" km/hr
\n" ); document.write( "The cattle train's average speed was 10 km/hr
\n" ); document.write( "
\n" );