document.write( "Question 919934: The perimeter of a rectangular sandbox is 36 ft. The length is five times the width.
\n" ); document.write( "a) Write an equation representing the length (𝒍 = 𝒍𝒆𝒏𝒈𝒕𝒉)
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Algebra.Com's Answer #558058 by MathLover1(20850)\"\" \"About 
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The length: \"L\"
\n" ); document.write( "the width:\"W\"
\n" ); document.write( "The perimeter:\"P=2L%2B2W\"
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\n" ); document.write( "if the perimeter of a rectangular sandbox is \"36ft\",then\r
\n" ); document.write( "\n" ); document.write( "\"2L%2B2W=36ft\"........eq.1\r
\n" ); document.write( "\n" ); document.write( "if the length is five times the width, then \r
\n" ); document.write( "\n" ); document.write( " \"highlight%28L=5W%29\"........eq.2,=> equation representing the length (𝒍 = 𝒍𝒆𝒏𝒈𝒕𝒉)\r
\n" ); document.write( "\n" ); document.write( "if you want to find the length and the width, solve the system:\r
\n" ); document.write( "\n" ); document.write( "\"2L%2B2W=36ft\"........eq.1
\n" ); document.write( " \"L=5W\"........eq.2
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\n" ); document.write( "\n" ); document.write( "\"2L%2B2W=36ft\"........eq.1.....substitute \"5W\" for \"L\"\r
\n" ); document.write( "\n" ); document.write( "\"2%2A5W%2B2W=36ft\"\r
\n" ); document.write( "\n" ); document.write( "\"10W%2B2W=36ft\"\r
\n" ); document.write( "\n" ); document.write( "\"12W=36ft\"\r
\n" ); document.write( "\n" ); document.write( "\"W=36ft%2F12\"\r
\n" ); document.write( "\n" ); document.write( "\"highlight%28W=3ft%29\"\r
\n" ); document.write( "\n" ); document.write( "go to \"L=5W\"........eq.2 substitute \"3fy\" for \"W\"\r
\n" ); document.write( "\n" ); document.write( "\"L=5%2A3ft\"\r
\n" ); document.write( "\n" ); document.write( "\"highlight%28L=15ft%29\"\r
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