document.write( "Question 266146: A freight train leaves a station at 7 A.M and travels North at 40 mph. At 5 A.M, a passanger train leaves on a parallel track and travels North at 80 mph. How long will it take the passanger train to overtake the freigh train? \n" ); document.write( "
Algebra.Com's Answer #195567 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! A freight train leaves a station at 7 A.M and travels North at 40 mph. At 5 A.M, a passanger train leaves on a parallel track and travels North at 80 mph. How long will it take the passanger train to overtake the freigh train? \n" ); document.write( "------------------------------- \n" ); document.write( "Freight train DATA: \n" ); document.write( "rate = 40 mph ; time = x hrs ; distance = 40x miles \n" ); document.write( "--------------------------------------------------------- \n" ); document.write( "Passenger train DATA: \n" ); document.write( "rate = 80 mph ; time = x + 2 hrs : distance = 80(x+2) miles \n" ); document.write( "---------------------------------------------------------------- \n" ); document.write( "Note: With the times you posted the passenger train is already \n" ); document.write( "160 miles north when the freight train leaves the station. \n" ); document.write( "================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " \n" ); document.write( " |