document.write( "Question 303022: The perimeter of a rectangular field is 312 yards. If the width of the field is 72 yards, what is its length? \n" ); document.write( "
Algebra.Com's Answer #217204 by checkley77(12844)\"\" \"About 
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312=2L+2W
\n" ); document.write( "312=L+2*72
\n" ); document.write( "312=2L+144
\n" ); document.write( "2L=312-144
\n" ); document.write( "2L=168
\n" ); document.write( "L=168/2
\n" ); document.write( "L=84 YDS. ANS FOR THE LENGTH.
\n" ); document.write( "PROOF:
\n" ); document.write( "312=2*84+2*72
\n" ); document.write( "312=168+144
\n" ); document.write( "312=312
\n" ); document.write( "
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