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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Algebra.Com's Answer #273126 by mananth(16946)\"\" \"About 
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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( "...
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\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( "\"%28250%2Fx%29-%28159%2F%28x%2B3%29%29=2\"\r
\n" ); document.write( "\n" ); document.write( "LCD = x(x+3)
\n" ); document.write( "...
\n" ); document.write( "\"%28250%28x%2B3%29-159x%29%2F%28x%28x%2B3%29%29=2\"
\n" ); document.write( "...
\n" ); document.write( "\"%28250x%2B750-159x%29%2F%28x%5E2%2B3x%29=2\"
\n" ); document.write( "multiply by (x^2+3x)
\n" ); document.write( "...
\n" ); document.write( "\"91x%2B750%29=2%28x%5E2%2B3x%29\"
\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( "\"%28highlight%28x=50mph%29%29\" is Larry's rate
\n" ); document.write( "\"%28highlight%2853mph%29%29\" is Terrell's rate
\n" ); document.write( "...
\n" ); document.write( "m.ananth@hotmail.ca\r
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