document.write( "Question 960778: The length of a rectangular picture is 3 cm more than the width. The area of the picture is 88 square cm. Find the width of the picture.
\n" ); document.write( " 11 cm
\n" ); document.write( " 14 cm
\n" ); document.write( " 8 cm
\n" ); document.write( " 9 cm
\n" ); document.write( "

Algebra.Com's Answer #587179 by MathLover1(20849)\"\" \"About 
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\n" ); document.write( "The length \"L\" of a rectangular picture is \"3cm\" more than the width \"W\".
\n" ); document.write( "The area of the picture is \"A=88cm%5E2\". \r
\n" ); document.write( "\n" ); document.write( "since \"L\"is \"3cm\" more than \"W\", we have\r
\n" ); document.write( "\n" ); document.write( "\"L=W%2B3\".....eq.1\r
\n" ); document.write( "\n" ); document.write( "since \"A=L%2AW\", we have\r
\n" ); document.write( "\n" ); document.write( "\"L%2AW=88\".....eq.2\r
\n" ); document.write( "\n" ); document.write( "substitute \"W%2B3\" for \"L\"\r
\n" ); document.write( "\n" ); document.write( "\"%28W%2B3%29%2AW=88\".....eq.2\r
\n" ); document.write( "\n" ); document.write( "\"W%5E2%2B3W=88\"\r
\n" ); document.write( "\n" ); document.write( "\"W%5E2%2B11W-8W-88=0\"\r
\n" ); document.write( "\n" ); document.write( "\"%28W%5E2%2B11W%29-%288W%2B88%29=0\"\r
\n" ); document.write( "\n" ); document.write( "\"W%28W%2B11%29-8%28W%2B11%29=0\"\r
\n" ); document.write( "\n" ); document.write( "\"%28W-8%29%28W%2B11%29=0\"\r
\n" ); document.write( "\n" ); document.write( "we need only positive solution \r
\n" ); document.write( "\n" ); document.write( "\"%28W-8%29=0\"=>\"W=8\"\r
\n" ); document.write( "\n" ); document.write( "your answer is:\"8cm\"
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