document.write( "Question 145515: what is the length of a rectangle that is twice the width; with a perimeter that is 42 inches. find the width \n" ); document.write( "
Algebra.Com's Answer #106180 by vleith(2983)![]() ![]() ![]() You can put this solution on YOUR website! let width = w \n" ); document.write( "length = 2w\r \n" ); document.write( "\n" ); document.write( "P = 2l + 2w\r \n" ); document.write( "\n" ); document.write( "42 = 2(2w) + 2w \n" ); document.write( "42 = 4w + 2w \n" ); document.write( "42 = 6w \n" ); document.write( "7 = w \n" ); document.write( " |