document.write( "Question 1066543: The width of a rectangle is three fourths of the length. The perimeter of the rectangular pen becomes 50 cm when the length and the width are each increased by 2 cm. Find the length and the width \n" ); document.write( "

Algebra.Com's Answer #681837 by josmiceli(19441) $\"\"$ $\"About$

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(1) $\"+W+=+%283%2F4%29%2AL+\"$
\n" ); document.write( "(2) $\"+2%2A%28+W+%2B+2+%29+%2B+2%2A%28+L+%2B+2+%29+=+50+\"$
\n" ); document.write( "---------------------------------------
\n" ); document.write( "(2) $\"+2W+%2B+4+%2B+2L+%2B+4+=+50+\"$
\n" ); document.write( "(2) $\"+2W+%2B+2L+=+42+\"$
\n" ); document.write( "(2) $\"+W+%2B+L+=+21+\"$
\n" ); document.write( "Substitute (1) into (2)
\n" ); document.write( "(2) $\"+%283%2F4%29%2AL+%2B+L+=+21+\"$
\n" ); document.write( "(2) $\"+3L+%2B+4L+=+84+\"$
\n" ); document.write( "(2) $\"+7L+=+84+\"$
\n" ); document.write( "(2) $\"+L+=+12+\"$
\n" ); document.write( "and
\n" ); document.write( "(1) $\"+W+=+%283%2F4%29%2A12+\"$
\n" ); document.write( "(1) $\"+W+=+9+\"$
\n" ); document.write( "-----------------------
\n" ); document.write( "The length is 12 cm
\n" ); document.write( "The width is 9 cm\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "

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