document.write( "Question 624038: Two cars start from the same point at the same time and travel in opposite directions. The faster car travels 12 kilometers per hour faster than the other, if after 6 hours the cars are 648 kilometers apart, what is the speed of each car? \n" ); document.write( "
Algebra.Com's Answer #392543 by rfer(16322)\"\" \"About 
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648/6=108
\n" ); document.write( "x+x+12=108
\n" ); document.write( "2x=108-12
\n" ); document.write( "2x=96
\n" ); document.write( "x=96/2
\n" ); document.write( "x=48 kph
\n" ); document.write( "x+12=60 kph
\n" ); document.write( "
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