document.write( "Question 810875: Amy wants to fence in a yard using 400 feet of fencing. I she wants the yard to be 30 feet wide, how long will it be \n" ); document.write( "

Algebra.Com's Answer #488517 by TimothyLamb(4379) $\"\"$ $\"About$

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p = 2L + 2W = 400
\n" ); document.write( "W = 30
\n" ); document.write( "---
\n" ); document.write( "2L + 2W = 400
\n" ); document.write( "2L + 2(30) = 400
\n" ); document.write( "2L + 60 = 400
\n" ); document.write( "2L = 340
\n" ); document.write( "---
\n" ); document.write( "L = 170
\n" ); document.write( "---
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