document.write( "Question 163715: I am looking for the width of a golden rectangle where the length is given as
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\n" ); document.write( "The formula I have been given is $\"L%2FW+=+W%2F%28L-W%29\"$ where length divided by
\n" ); document.write( "width is equal to width divided by length minus width.
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Algebra.Com's Answer #120606 by Edwin McCravy(20086) $\"\"$ $\"About$

You can put this solution on YOUR website!

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document.write( "Plug in 36 for the length L into\r\n" );
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document.write( "Cross-multiply:\r\n" );
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document.write( "Get 0 on the left, by adding -1296\r\n" );
document.write( "and +36W to both sides:\r\n" );
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document.write( "Swap sides:\r\n" );
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document.write( "That doesn't factor, so we use the\r\n" );
document.write( "quadratic formula:\r\n" );
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document.write( " with\r\n" );
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document.write( "Write as the sum of two fractions:\r\n" );
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document.write( "Simplify the second term by dividing 18 and 2 by 2\r\n" );
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document.write( "That's OK like that or you may factor out\r\n" );
document.write( "9:\r\n" );
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document.write( "Using the plus:\r\n" );
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document.write( ", approximately.\r\n" );
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document.write( "Using the minus:\r\n" );
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document.write( ", approximately.\r\n" );
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document.write( "We can discard the negative answer, since a rectangle\r\n" );
document.write( "cannot have a negative side, and the width is given by:\r\n" );
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document.write( " inches, approximately.\r\n" );
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document.write( "Edwin

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