document.write( "Question 120190: a train leaves Havre at 5:30 and heads west at 40/mph. Half an hour later another train leaves Havre heading east at 60/mph what time will it be when the two trains are 200 miles apart \n" ); document.write( "
Algebra.Com's Answer #88073 by checkley71(8403)\"\" \"About 
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40T+60(T-.5)=200
\n" ); document.write( "40T+60T-30=200
\n" ); document.write( "100T=200+30
\n" ); document.write( "100T=230
\n" ); document.write( "T=230/100
\n" ); document.write( "T=2.3 OR 2 HOURS & 18 MINUTES (5:30+2:18=7:48) THEY WILL BE 200 MILES APART.
\n" ); document.write( "PROOF
\n" ); document.write( "40*2.3+60(2.3-.5)=200
\n" ); document.write( "92+60*1.8=200
\n" ); document.write( "92+108=200
\n" ); document.write( "200=200
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