document.write( "Question 1036382: The Length of a rectangle is 4 less than 3 times the width. if the perimeter is 40, find the dimensions of the rectangle \n" ); document.write( "
Algebra.Com's Answer #651035 by addingup(3677)![]() ![]() You can put this solution on YOUR website! L = 3W-4 \n" ); document.write( "and \n" ); document.write( "2L+2W = 40 Substitute for L: \n" ); document.write( "2(3W-4)+2W = 40 \n" ); document.write( "6W-8+2W = 40 \n" ); document.write( "8W = 48 \n" ); document.write( "W = 6 This is the width, and the Length: \n" ); document.write( "L = 3(6)-4 = 14 \n" ); document.write( "``````````````````````````````````````````````` \n" ); document.write( "Check: \n" ); document.write( "2(6)+2(14)= 40 \n" ); document.write( "12+28 = 40 Correct. \n" ); document.write( " |