document.write( "Question 291473: an envelope is 4 cm longer than it is wide. the are is 77cm. find the lenght and the width? \n" ); document.write( "
Algebra.Com's Answer #210756 by Alan3354(69443)\"\" \"About 
You can put this solution on YOUR website!
The only way to factor 77 is
\n" ); document.write( "7 x 11 or
\n" ); document.write( "1 x 77
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\n" ); document.write( "You pick one
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