document.write( "Question 68515This question is from textbook
\n" ); document.write( ": An architect has designed a motel pool within a rectangular area that is fenced on three sides. If she uses 60 yards of fencing to enclose an area of 352 square yards, then what are the dimensions of the fence. (L and W) Assume L is greater than W. \n" ); document.write( "

Algebra.Com's Answer #48739 by josmiceli(19441) $\"\"$ $\"About$

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$\"l+%2B+2w+=+60\"$
\n" ); document.write( " $\"lw+=+352\"$
\n" ); document.write( " $\"w+=+352%2Fl\"$
\n" ); document.write( " $\"l+%2B+2%28352%2Fl%29+=+60\"$
\n" ); document.write( " $\"l+%2B+%28704+%2F+l%29+=+60\"$
\n" ); document.write( " $\"l%5E2+%2B+704+=+60l\"$
\n" ); document.write( " $\"l%5E2+-+60l+%2B+704+=+0\"$
\n" ); document.write( " $\"l+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+\"$
\n" ); document.write( " $\"l+=+%2860+%2B-+sqrt%28+3600-4%2A704+%29%29%2F+2+\"$
\n" ); document.write( " $\"l+=+%2860+%2B-+sqrt%28784%29%29%2F+2+\"$
\n" ); document.write( " $\"l+=+%2860+%2B-+28%29+%2F+2\"$
\n" ); document.write( "1st try the + sqrt
\n" ); document.write( " $\"l+=+%2860+%2B+28%29+%2F+2\"$
\n" ); document.write( " $\"l+=+44\"$ answer
\n" ); document.write( " $\"w+=+352+%2F+44\"$
\n" ); document.write( " $\"w+=+8\"$ answer
\n" ); document.write( "check
\n" ); document.write( " $\"lw+=+352\"$
\n" ); document.write( " $\"44%2A8+=+352\"$
\n" ); document.write( " $\"352+=+352\"$
\n" ); document.write( "OK
\n" ); document.write( " $\"l+%2B+2w+=+60\"$
\n" ); document.write( " $\"44+%2B+16+=+60\"$
\n" ); document.write( " $\"60+=+60\"$
\n" ); document.write( "OK
\n" ); document.write( "If I chose the -sqrt of 784, which was -28
\n" ); document.write( " $\"l+=+%2860+-+28%29+%2F+2\"$
\n" ); document.write( " $\"l+=+32%2F2\"$
\n" ); document.write( " $\"l+=+16\"$
\n" ); document.write( " $\"w+=+352+%2F+16\"$
\n" ); document.write( " $\"w+=+22\"$
\n" ); document.write( "The length ends up being shorter than the width,
\n" ); document.write( "which was not allowed by the problem. These numbers
\n" ); document.write( "will still give you the right area and length of
\n" ); document.write( "fencing, however. \n" ); document.write( "

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