document.write( "Question 211307This question is from textbook College Algebra
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document.write( ": Two cars leave from the same place at the same time, traveling in opposite directions. One travels 5 kilometers per hour faster than the other. After 3 hours they are 495 kilometers apart. How fast is each car traveling? \n" );
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Algebra.Com's Answer #159689 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! 495/3=165 KPH IS THE TOTAL SPEED OF THE TWO CARS. \n" ); document.write( "3X+3(X+5)=495 \n" ); document.write( "6X+15=495 \n" ); document.write( "6X=495-15 \n" ); document.write( "6X=480 \n" ); document.write( "X=480/6 \n" ); document.write( "X=80 KPH IS THE SPEED OF THE SLOWER CAR. \n" ); document.write( "80+5=85 KPH FOR THE FASTER CAR. \n" ); document.write( "PROOF: \n" ); document.write( "80+85=165 \n" ); document.write( "3*80+3*85=495 \n" ); document.write( "240+255=495 \n" ); document.write( "495=495 \n" ); document.write( " |