document.write( "Question 957639: A rectangular cement patio has an area of 80 square meters. Its perimeter is 36 meters. What are the dimensions of the patio?
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Algebra.Com's Answer #585210 by josgarithmetic(39617)\"\" \"About 
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L, length
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\n" ); document.write( "p, perimeter
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\n" ); document.write( "Constants, A=80, p=36.
\n" ); document.write( "Unknowns, w, L.\r
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\n" ); document.write( "p=2w+2L, A=wL\r
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\n" ); document.write( "\n" ); document.write( "The formulas themselves are two equations in two unknown variables. Solve the system for w and L.
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