document.write( "Question 1051650: A school playground has a perimeter of 320 yards. The playground is 20 yards longer than three times its width. What is the width of the playground? \n" ); document.write( "

Algebra.Com's Answer #667237 by Fombitz(32388) $\"\"$ $\"About$

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A rectangle has a perimeter of,
\n" ); document.write( " $\"P=2L%2B2W\"$
\n" ); document.write( " $\"2L%2B2W=320\"$
\n" ); document.write( " $\"L%2BW=160\"$
\n" ); document.write( "and
\n" ); document.write( " $\"L=3W%2B20\"$
\n" ); document.write( "Substituting,
\n" ); document.write( " $\"3W%2B20%2BW=160\"$
\n" ); document.write( " $\"4W=140\"$
\n" ); document.write( " $\"W=35\"$ $\"yds\"$
\n" ); document.write( "and
\n" ); document.write( " $\"L%2B35=160\"$
\n" ); document.write( " $\"L=125\"$ $\"yds\"$ \r
\n" ); document.write( "
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