document.write( "Question 295397: A rectangular garden has a perimeter of 48 cm and an area of 140 sq. cm. What is the length of this garden? \n" ); document.write( "
Algebra.Com's Answer #212933 by checkley77(12844)\"\" \"About 
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2L+2W=48
\n" ); document.write( "LW=140 OR L=140/W
\n" ); document.write( "2(140/W)+2W=48
\n" ); document.write( "280/W+2W=48
\n" ); document.write( "(280+2W*W)/W=48
\n" ); document.write( "(280+2W^2)/W=48
\n" ); document.write( "2W^2+280=48W
\n" ); document.write( "2W^2-48W+280=0
\n" ); document.write( "2(W^2-24W+140)=0
\n" ); document.write( "2(W-14)(W-10)=0
\n" ); document.write( "W-14=0
\n" ); document.write( "W=14 ANS L=140/14=10 ANS.
\n" ); document.write( "W-10=0
\n" ); document.write( "W=10 ANS. L=140/10=14 ANS.
\n" ); document.write( "PROOFS:
\n" ); document.write( "10*14=140
\n" ); document.write( "140=140
\n" ); document.write( "2*10+2*14=48
\n" ); document.write( "20+24=48
\n" ); document.write( "48=48
\n" ); document.write( "
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