document.write( "Question 104550: The length of a rectangle is 3 feet less than 3 times the width. If the perimeter is 146 feet, what is the length and the width of the rectangle? \n" ); document.write( "
Algebra.Com's Answer #76063 by checkley75(3666)![]() ![]() ![]() You can put this solution on YOUR website! LENGTH=3W-3 \n" ); document.write( "WIDTH=W \n" ); document.write( "PERIMETER=2*L+2*W \n" ); document.write( "146=2(3W-3)+2W \n" ); document.write( "146=6W-6+2W \n" ); document.write( "146+6=8W \n" ); document.write( "152=8W \n" ); document.write( "W=152/8 \n" ); document.write( "W=19 IS THE WIDTH. \n" ); document.write( "L=3*19-3 \n" ); document.write( "L=57-3 \n" ); document.write( "L=54 IS THE LENGTH. \n" ); document.write( "PROOF \n" ); document.write( "146=2(3*19-3)+2*19) \n" ); document.write( "146=2(57-3)+38 \n" ); document.write( "146=2*54+38 \n" ); document.write( "146=108+38 \n" ); document.write( "146=146\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |