document.write( "Question 243561: The perimeter of a rectangle is 800 feet, and length of it is 50 feet less than half the width. What are it's dimensions? \n" ); document.write( "
Algebra.Com's Answer #178453 by checkley77(12844)\"\" \"About 
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L=W/2-50
\n" ); document.write( "P=2L+2W
\n" ); document.write( "800=2(W/2-50)+2W
\n" ); document.write( "800=W-100+2W
\n" ); document.write( "800+100=3W
\n" ); document.write( "900=3W
\n" ); document.write( "900/3=W
\n" ); document.write( "3OO=W ANS. FOR THE WIDTH.
\n" ); document.write( "L=300/2-50
\n" ); document.write( "L=150-50
\n" ); document.write( "L=100 ANS. FOR THE LENGTH.
\n" ); document.write( "PROOF:
\n" ); document.write( "800=2*100+2*300
\n" ); document.write( "800=200+600
\n" ); document.write( "800=800
\n" ); document.write( "
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