document.write( "Question 1049669: A train leaves New York at 2:00 PM. A second train leaves the same city in the same direction at 7:00 PM. The second train travels 150 mph faster than the first. If the second train overtakes the first at 9:00 PM, what is the speed of each of the two trains? \n" ); document.write( "

Algebra.Com's Answer #665244 by josgarithmetic(39617) $\"\"$ $\"About$

You can put this solution on YOUR website!
Look at time quantities first, and no adjustments for time points later needed. Second train begins travel five hours after the New York departure train. The overtake time is 9-2=7 hours for the New York first departure train, and 9-7=2 hours for the second train.\r
\n" ); document.write( "\n" ); document.write( "

\r\n" );
document.write( "Which Depart Time    SPEED         TIME        DISTANCE\r\n" );
document.write( "2PM TRAIN              r            7            d\r\n" );
document.write( "7PM TRAIN             r+150         2            d\r\n" );
document.write( "

\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Basic constant travel rate rule is RT=D.\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( " $\"system%28%28r%29%287%29=d%2C%28r%2B150%29%282%29=d%29\"$ \r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( " $\"highlight%287r=2%28r%2B150%29%29\"$ \n" ); document.write( "

\n" );