document.write( "Question 444738: two cars leave flint at the same time, traveling in opposite directions. The car that is traveling north is moving 9 miles per hour faster than the car traveling south. If the two cars are 405 miles apart after 3 hours, find the speed of each car. \n" ); document.write( "
Algebra.Com's Answer #306501 by jorel1380(3719)\"\" \"About 
You can put this solution on YOUR website!
3x+3(x+9)=405
\n" ); document.write( "6x+27=405
\n" ); document.write( "6x=378
\n" ); document.write( "x=63
\n" ); document.write( "x+9=72..
\n" ); document.write( "
\n" ); document.write( "
\n" );