document.write( "Question 577934: the length of a rectangle is three more than the midth. if the perimeter is 50, what are the length and width? \n" ); document.write( "

Algebra.Com's Answer #370419 by josmiceli(19441) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"+P+=+2W+%2B+2L+\"$
\n" ); document.write( "given:
\n" ); document.write( " $\"+L+=+W+%2B+3+\"$
\n" ); document.write( " $\"+P+=+50+\"$
\n" ); document.write( "------------
\n" ); document.write( " $\"+2W+%2B+2L+=+50+\"$
\n" ); document.write( "By substitution:
\n" ); document.write( " $\"+2W+%2B+2%2A%28+W+%2B+3+%29+=+50+\"$
\n" ); document.write( " $\"+2W+%2B+2W+%2B+6+=+50+\"$
\n" ); document.write( " $\"+4W+=+50+-+6+\"$
\n" ); document.write( " $\"+4W+=+44+\"$
\n" ); document.write( " $\"+W+=+11+\"$
\n" ); document.write( "and
\n" ); document.write( " $\"+L+=+W+%2B+3+\"$
\n" ); document.write( " $\"+L+=+11+%2B+3+\"$
\n" ); document.write( " $\"+L+=+14+\"$
\n" ); document.write( "The rectangle is 11 x 14
\n" ); document.write( "check:
\n" ); document.write( " $\"+P+=+2W+%2B+2L+\"$
\n" ); document.write( " $\"+50+=+2%2A11+%2B+2%2A14+\"$
\n" ); document.write( " $\"+50+=+22+%2B+28+\"$
\n" ); document.write( " $\"+50+=+50+\"$
\n" ); document.write( "OK
\n" ); document.write( " \n" ); document.write( "

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