document.write( "Question 539535: A farmer needs to buy fencing to go around his graden . the garden is a 20 by 15 rectangle how much fencing will he need \n" ); document.write( "
Algebra.Com's Answer #353449 by oberobic(2304)\"\" \"About 
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The fence will run the length of the perimeter.
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\n" ); document.write( "perimeter of a rectangle = 2(length + width)
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\n" ); document.write( "p = 2(20+15)
\n" ); document.write( "p = 2(35)
\n" ); document.write( "p = 70
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\n" ); document.write( "You need to know what the unit of measurement is before you buy the fence.
\n" ); document.write( "70 feet? 70 meters?
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\n" ); document.write( "Done.
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