document.write( "Question 987063: two trains leave boston at 2pm heading in opposite directions . one train is headed due north at 50 mph while the second train is headed due south at 40 mph. what time will it be when the trains are 495 miles apart?\r
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Algebra.Com's Answer #607836 by Boreal(15235)![]() ![]() You can put this solution on YOUR website! The trains are going in opposite directions and are moving apart at the sum of their speeds, or 90 mph. \n" ); document.write( "They will be 495 miles apart in 495/90 mi/mi/hr, units hr. That is in 5.5 or 5 1/2 hours. \n" ); document.write( " |