document.write( "Question 344775: A rectangle with 3 more than the width has a perimeter of 48? \n" ); document.write( "
Algebra.Com's Answer #246770 by checkley77(12844)\"\" \"About 
You can put this solution on YOUR website!
I WILL ASSUME THAT YOU MEAN THE LENGTH IS 3 MORE THAN THE WIDTH.
\n" ); document.write( "L=W+3
\n" ); document.write( "2L+2W=48
\n" ); document.write( "2(W+3)+2W=48
\n" ); document.write( "2W+6+2W=48
\n" ); document.write( "4W=48-6
\n" ); document.write( "4W=42
\n" ); document.write( "W=42/4
\n" ); document.write( "W=10.5 FOR THE WIDTH.
\n" ); document.write( "L=10.5+3=13.5 FOR THE LENGTH.
\n" ); document.write( "PROOF:
\n" ); document.write( "2*13.5+2*10.5=48
\n" ); document.write( "27+21=48
\n" ); document.write( "48=48
\n" ); document.write( "
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