document.write( "Question 1094071: Have no idea how to answer this, need some help.\r
\n" ); document.write( "\n" ); document.write( "A farmer has 40 metres of fencing with which to enclose his sheep. He wants to make a rectangular paddock. The farmer has permission to use a river as one side of his enclosure, and still, has 40 meters of fencing available for the other 3 sides.\r
\n" ); document.write( "\n" ); document.write( "Use x to represent the width of the enclosure and write an expression for the length showing your working.
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Algebra.Com's Answer #708681 by ikleyn(52790)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "Read the lessons\r
\n" ); document.write( "\n" ); document.write( "    - A rectangle with a given perimeter which has the maximal area is a square\r
\n" ); document.write( "\n" ); document.write( "    - A farmer planning to fence a rectangular garden to enclose the maximal area\r
\n" ); document.write( "\n" ); document.write( "    - A farmer planning to fence a rectangular area along the river to enclose the maximal area (*)\r
\n" ); document.write( "\n" ); document.write( "    - A rancher planning to fence two adjacent rectangular corrals to enclose the maximal area\r
\n" ); document.write( "\n" ); document.write( "in this site.\r
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\n" ); document.write( "\n" ); document.write( "The lesson (*) contains exactly your problem.\r
\n" ); document.write( "\n" ); document.write( "The other lessons will make your horizon wider.\r
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