document.write( "Question 319690: A rectangle's width is one-fifth its length, and its perimeter is 144m. Find the dimenision of the rectangle \n" ); document.write( "
Algebra.Com's Answer #228925 by checkley77(12844)\"\" \"About 
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W=L/5
\n" ); document.write( "P=2L+2W
\n" ); document.write( "144=2L+2(L/5)
\n" ); document.write( "144=2L+2L/5 FIND THE LCD (5)
\n" ); document.write( "144=(5*2L+2L)/5
\n" ); document.write( "144=(10L+2L)/5 CROSS MULTIPLY
\n" ); document.write( "10L+2L=144*5
\n" ); document.write( "12L=720
\n" ); document.write( "L=720/12
\n" ); document.write( "L=60 ANS. FOR THE LENGTH.
\n" ); document.write( "W=60/5=12 ANS. FOR THE WIDTH.
\n" ); document.write( "PROOF:
\n" ); document.write( "144=2*60+2*12
\n" ); document.write( "144=120+24
\n" ); document.write( "144=144\r
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