document.write( "Question 450602: The length of a picture frame is 2 inches greater than its width. If the area of the frame is 143 sq inches, what is its width?
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Algebra.Com's Answer #309920 by rwm(914)![]() ![]() ![]() You can put this solution on YOUR website! L=W+2 \n" ); document.write( "area =length times width \n" ); document.write( "A=L*W \n" ); document.write( "A=(W+2)*W \n" ); document.write( "143=(W+2)*W\r \n" ); document.write( "\n" ); document.write( "143=W^2+2W \n" ); document.write( "W^2+2W-143=0 \n" ); document.write( "find factors of -143 which add up to 2 \n" ); document.write( "-11 and 13 fit\r \n" ); document.write( "\n" ); document.write( "(W-11)*(W+13)=0 \n" ); document.write( "W=11 \n" ); document.write( "W=-13 \n" ); document.write( "We can't use negative measurements. \n" ); document.write( "11 and 11+2 \n" ); document.write( "11 and 13 \n" ); document.write( " \n" ); document.write( " |