document.write( "Question 158070This question is from textbook prentice hall mathematics algebra 1
\n" );
document.write( ": a passenger train's speed is 60 mi/h, and a freight train's speed is 40 mi/h. the passenger train travels the same distance in 1.5 h less time than the freight train. How long does each train take to make the trip?\r
\n" );
document.write( "
\n" );
document.write( "
\n" );
document.write( "
\n" );
document.write( "
\n" );
document.write( "\n" );
document.write( " \n" );
document.write( "
Algebra.Com's Answer #116468 by mangopeeler07(462)![]() ![]() ![]() You can put this solution on YOUR website! h=amount of hours\r \n" ); document.write( "\n" ); document.write( "mph(h)=distance\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "the passenger train travels the same distance (set equal to each other) in 1.5 h less time than the freight train.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Simplify each side by multiplying \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Eliminate the denominators, since they are the same thing \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Subtract 60h from both sides \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Divide both sides by -20 \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Passenger train: (h-1.5) \n" ); document.write( "Freight train: (h)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Plug in 4.5 for h\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "4.5-1.5=3.0 \n" ); document.write( "--------------------------------------------------------- \n" ); document.write( "Answer:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Passenger train= 3 hours \n" ); document.write( "Freight train= 4.5 hours \n" ); document.write( " \n" ); document.write( " |