document.write( "Question 103243: the differnce between the length and width of one side of a rectangular cereal box is 9.8cm If the width is 21.8cm what is the lenght in cm.\r
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\n" ); document.write( "\n" ); document.write( "how many centimeters long is the perimeter of the rectangle?
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Algebra.Com's Answer #75148 by BurningFlame_marc(77)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "let x= length of the rectangle\r
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\n" ); document.write( "x-9.8=21.8
\n" ); document.write( "x=31.6\r
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\n" ); document.write( "\"P=2l%2B2w\"
\n" ); document.write( "p=2(31.6)+2(21.8)
\n" ); document.write( "p=63.2+43.6
\n" ); document.write( "p=106.8\r
\n" ); document.write( "\n" ); document.write( "Final Answer:The length is 31.6cm. the perimeter is 106.8cm.
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