document.write( "Question 1045987: What is the perimeter of a rectangle if the area is 27 square inches and the length is three times it's width? \n" ); document.write( "
Algebra.Com's Answer #661484 by addingup(3677)![]() ![]() You can put this solution on YOUR website! Perimeter P = 2W+2L \n" ); document.write( "L = 3W Substitute above: \n" ); document.write( "2W+2(3W) = 27 \n" ); document.write( "2W+6W = 27 \n" ); document.write( "8W = 27 \n" ); document.write( "W = 3.375 or 3 3/8 \n" ); document.write( "L = 3(3.375) = 10.125 or 10 1/8 \n" ); document.write( " |