document.write( "Question 909418: A train leaves a station and travels at 50 miles per hour. Fifteen minutes later, a second train leaves the same station and travels in the same direction on parallel tracks at 60 miles per hour. How long will it be before the second train overtake the first? \n" ); document.write( "
Algebra.Com's Answer #551986 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! Gaining speed 60 -50= 10 mph \n" ); document.write( "Headstart 50*0.25 =12.5 miles \n" ); document.write( "Time to catch up 12.5/10=1.25 hours \n" ); document.write( "Algebraic solution \n" ); document.write( "50(t+0.25)=60t \n" ); document.write( "50t+12.5=60t \n" ); document.write( "12.5=60t-50t \n" ); document.write( "12.5=10t \n" ); document.write( "t=1.25 hours \n" ); document.write( "Distance to meeting 1.25*60=75 miles \n" ); document.write( "code drt1 \n" ); document.write( " \n" ); document.write( " |