document.write( "Question 739217: \r
\n" ); document.write( "\n" ); document.write( "The length of a rectangle is three feet more than twice the width. The area is 90 square feet. What are the dimensions of the rectangle?
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Algebra.Com's Answer #451066 by checkley79(3341)\"\" \"About 
You can put this solution on YOUR website!
AREA=LW
\n" ); document.write( "L=2W+3
\n" ); document.write( "90=(2W+3)W
\n" ); document.write( "90=2W^2+3W
\n" ); document.write( "2W^2+3X-90=0
\n" ); document.write( "(W-6)(2W+15)=0
\n" ); document.write( "W-6=0
\n" ); document.write( "W=6 ANS. FOR THE WIDTH.
\n" ); document.write( "L=2*6+3
\n" ); document.write( "L=12+3=15 ANS.
\n" ); document.write( "PROOF\"
\n" ); document.write( "90=6*15
\n" ); document.write( "90=90
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