document.write( "Question 471236: A television picture tube is 9cm longer than it is wide. If the perimeter of the tube is 142cm, what are the length and width of the tube? \n" ); document.write( "
Algebra.Com's Answer #323218 by jorel1380(3719)\"\" \"About 
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2w+2(w+9)=142
\n" ); document.write( "4w+18=142
\n" ); document.write( "4w=124
\n" ); document.write( "w=31
\n" ); document.write( "l=40
\n" ); document.write( "The \"tube\" is 40 cm. by 31 cm..
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