document.write( "Question 390724: Please help me solve the following word problem:\r
\n" );
document.write( "\n" );
document.write( "At 7:00 a.m. a plane left Houston for Detroit, 1750 miles away, flying at 400 mph. At 8:30 a.m. a plane left Detroit for Houston at 500 mph. At what time did they pass each other?\r
\n" );
document.write( "
\n" );
document.write( "\n" );
document.write( "Thanks,
\n" );
document.write( "Alison \n" );
document.write( "
Algebra.Com's Answer #277096 by checkley79(3341)![]() ![]() ![]() You can put this solution on YOUR website! D=RT \n" ); document.write( "1750=400T+500(T-1.5) \n" ); document.write( "1750=400T+500T-750 \n" ); document.write( "1750=900T-750 \n" ); document.write( "900T=1750+750 \n" ); document.write( "900T=2500 \n" ); document.write( "T=2500/900 \n" ); document.write( "T=2.78 HOURS AFTER THE 400 MPH. PLANE LEAVES THEY WILL MEET. \n" ); document.write( "2.78=2:47 HOURS. \n" ); document.write( "7:00+2:47=9:47 THEY WILL MEET. \n" ); document.write( " |