document.write( "Question 624812: two planes leave an airport at the same time one flying east, the other flying west. The eastbound plane travels 100mph slower. They are 2880 miles apart after 4 hours. Find the speed of each plane. \n" ); document.write( "
Algebra.Com's Answer #393174 by prateekagrawal(56)\"\" \"About 
You can put this solution on YOUR website!
Let the speed of westbound plane is x then that of eastbound will be x - 100.\r
\n" ); document.write( "\n" ); document.write( "Hence\r
\n" ); document.write( "\n" ); document.write( "4(x+x-100) = 2880
\n" ); document.write( "2x-100 = 2880/4 = 720
\n" ); document.write( "2x = 820\r
\n" ); document.write( "\n" ); document.write( "x= 410.
\n" ); document.write( "Hence
\n" ); document.write( "speed of eastbound = 310
\n" ); document.write( "speed of westbound = 410.
\n" ); document.write( "
\n" );