document.write( "Question 557995: the perimeter of a television screen is 58 inches . it is 18 inches wide. how tall is it? \n" ); document.write( "
Algebra.Com's Answer #362862 by Theo(13342)\"\" \"About 
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perimeter equals 2W + 2L
\n" ); document.write( "W equal the width
\n" ); document.write( "L equal the length.
\n" ); document.write( "since W is equal to 18, then 2W is equal to 36.
\n" ); document.write( "2W + 2L = 58
\n" ); document.write( "36 + 2L = 58
\n" ); document.write( "2L = 58 - 36
\n" ); document.write( "2L = 22
\n" ); document.write( "L = 11
\n" ); document.write( "you get:
\n" ); document.write( "W = 18
\n" ); document.write( "L = 11
\n" ); document.write( "2W + 2L becomes 2*18 + 2*11 becomes 36 + 22 becomes 58.
\n" ); document.write( "measurements look good.
\n" ); document.write( "the television is 11 inches tall.\r
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