document.write( "Question 1010779: The length of a rectangle is 2.1cm more than 4 times the width. If the perimeter of the rectangle is 70.2cm, what are its dimensions?
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Algebra.Com's Answer #626252 by addingup(3677)\"\" \"About 
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L= 4W+2.1
\n" ); document.write( "2L+2W= 70.2 Substitute for L
\n" ); document.write( "2(4W+2.1)+2W= 70.2
\n" ); document.write( "8W+4.2+2W= 70.2
\n" ); document.write( "10W= 66
\n" ); document.write( "W= 6.6 And L:
\n" ); document.write( "4W+2.1= 4(6.6)+2.1= 28.5
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\n" ); document.write( "Check:
\n" ); document.write( "2(28.5)+2(6.6)= 70.2
\n" ); document.write( "57+13.2= 70.2
\n" ); document.write( "70.2= 70.2 We have the correct answer.\r
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