document.write( "Question 386347: Larry drove 250 miles in 2 hours more than it took Terrell to drive 159 miles. Terrell drove at an average rate of 3 miles per hour faster than Larry. How fast did each one travel?
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document.write( "miles per hour (Larry)=\r
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document.write( "miles per hour (Terrell)= \n" );
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Algebra.Com's Answer #273126 by mananth(16946)![]() ![]() You can put this solution on YOUR website! Larry drove 250 miles in 2 hours more than it took Terrell to drive 159 miles. Terrell drove at an average rate of 3 miles per hour faster than Larry. How fast did each one travel? \n" ); document.write( "miles per hour (Larry)=\r \n" ); document.write( "\n" ); document.write( "miles per hour (Terrell)=\r \n" ); document.write( "\n" ); document.write( "... \n" ); document.write( ".. \n" ); document.write( "larry's rate = x \n" ); document.write( "Terrell x+3 \n" ); document.write( ".. \n" ); document.write( "t=d/r \n" ); document.write( "... \n" ); document.write( "Larry's time - Terrell's time = 2 hours \n" ); document.write( ".. \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "LCD = x(x+3) \n" ); document.write( "... \n" ); document.write( " \n" ); document.write( "... \n" ); document.write( " \n" ); document.write( "multiply by (x^2+3x) \n" ); document.write( "... \n" ); document.write( " \n" ); document.write( "... \n" ); document.write( "91x+750=2x^2+6x \n" ); document.write( "reorganize the terms \n" ); document.write( "2x^2+6x-91x-750=0 \n" ); document.write( "2x^2-85x-750=0 \n" ); document.write( "2x^2-100x+15x-750=0 \n" ); document.write( "2x(x-50)+15(x-50)=0 \n" ); document.write( "(2x+15)(x-50)=0 \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "... \n" ); document.write( "m.ananth@hotmail.ca\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |