document.write( "Question 104181This question is from textbook algebra and trigonometry
\n" );
document.write( ": at 10:30 A.M two planes leave Houston, one flying east at 560 km/h and the other fliying west at 640 km/h. At what time will they be 2100 km apart? \n" );
document.write( "
Algebra.Com's Answer #75800 by checkley75(3666)![]() ![]() ![]() You can put this solution on YOUR website! 640X+560X=2100 \n" ); document.write( "1200X=2100 \n" ); document.write( "X=2100/1200 \n" ); document.write( "X=1.75 OR 1 HOUR 45 MINUTES AFTER THEY LEAVE THEY'LL BE 1200 MILES APART. \n" ); document.write( "10:30+1:45=12:15 PM. \n" ); document.write( " |