document.write( "Question 440268: Saul filled a tank shaped like a rectangular prism wit water. The tank is 9 feet high and its width is 1 foot less than its length.It has a volume of 504 cubed feet.\r
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\n" ); document.write( "\n" ); document.write( "Explain how to find the length and width of the tank.
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Algebra.Com's Answer #304193 by jorel1380(3719)\"\" \"About 
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x(x+1)(9)=504
\n" ); document.write( "x2+x=56
\n" ); document.write( "x2+x-56=0
\n" ); document.write( "(x+8)(x-7)=0
\n" ); document.write( "x=-8 or 7
\n" ); document.write( "Throwing out the negative result, we get the width to be 7 ft., and the length to be 8 ft..
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