document.write( "Question 40666This question is from textbook
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document.write( ": steve traveled 600 miles at a certain speed. had he gone 20mph faster, the trip would have taken 1 hour less. Find the speed of his vehicle. \n" );
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Algebra.Com's Answer #26071 by checkley71(8403)![]() ![]() ![]() You can put this solution on YOUR website! 600/X=(600/X+20)-1 OR 600/X=(600-X-20)/(X+20) OR 600X-X~2-20X=600X-12,000 OR \n" ); document.write( "-X~2-20X=-12,000 OR X~2+20X-12,000 OR (X-100)(X+120)=0 OR X=100 MPH\r \n" ); document.write( "\n" ); document.write( "THEN X+20=120 MPH \r \n" ); document.write( "\n" ); document.write( "PROOX 600/100=6 HOURS & 600/120=5 HOURS 6-5=1 HOUR LESS @ 120 MPH. \n" ); document.write( " |