document.write( "Question 583355: A rectangle has the lengh of both of its sides decreased by 20%. by what persent does the area decrease? \n" ); document.write( "
Algebra.Com's Answer #372413 by Alan3354(69443)\"\" \"About 
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A rectangle has the lengh of both of its sides decreased by 20%. by what persent does the area decrease?
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\n" ); document.write( "Each side is 80% = 0.8x what it was.
\n" ); document.write( "Area = 0.8L*0.8W = 0.64*Area
\n" ); document.write( "1 - 0.64 = 0.36
\n" ); document.write( "= 36% decrease
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