document.write( "Question 499123: A strip of uniform width is to be cut off of both sides and both ends of a sheet of paper that is 20 inches by 6 inches, in order to reduce the size of the paper to an area of 32 square inches. Find the width of the strip.
\n" );
document.write( " \n" );
document.write( "
Algebra.Com's Answer #337455 by cleomenius(959)![]() ![]() You can put this solution on YOUR website! 20 * 6 = 120 \n" ); document.write( "(20 - x)(6 - x) = 32 \n" ); document.write( "120 - 26x +x^2 = 32 \n" ); document.write( "x^2 - 26x + 120 = 32 \n" ); document.write( "x^2 -26x + 88 = 0 \n" ); document.write( "(x - 4)(x + 22) \n" ); document.write( "x = 4 \n" ); document.write( "16 * 2 = 32 inches. \n" ); document.write( " |