document.write( "Question 153049: The lenght of a rectangle is 5cm longer than three times its width. The perimeter is 74cm. Find the width and lenght. \n" ); document.write( "

Algebra.Com's Answer #112505 by Fombitz(32388) $\"\"$ $\"About$

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\"lenght of a rectangle is 5cm longer than three times its width\"
\n" ); document.write( "1. $\"L=5%2B3W\"$
\n" ); document.write( "\"The perimeter is 74cm.\"
\n" ); document.write( "2. $\"2L%2B2W=74\"$
\n" ); document.write( "Use eq. 1 in eq. 2 and solve for W.
\n" ); document.write( "1. $\"L=5%2B3W\"$
\n" ); document.write( "\"The perimeter is 74cm.\"
\n" ); document.write( "2. $\"2L%2B2W=74\"$
\n" ); document.write( " $\"2%285%2B3W%29%2B2W=74\"$
\n" ); document.write( " $\"10%2B6W%2B2W=74\"$
\n" ); document.write( " $\"8W=64\"$
\n" ); document.write( " $\"W=8\"$
\n" ); document.write( "From 1,
\n" ); document.write( "1. $\"L=5%2B3W\"$
\n" ); document.write( " $\"L=5%2B3%288%29\"$
\n" ); document.write( " $\"L=5%2B24\"$
\n" ); document.write( " $\"L=29\"$ \n" ); document.write( "

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