document.write( "Question 648762: The length of a rectangle is 5 inches more than three times the width. The perimeter is 74 inches. Find the length and width \n" ); document.write( "
Algebra.Com's Answer #406785 by best82(13)![]() ![]() ![]() You can put this solution on YOUR website! \r \n" ); document.write( "\n" ); document.write( "If the length is 5 more than three times the width, you can write it as an algebraic expression: l(ength)=5+3w \n" ); document.write( "You are given the perimeter of 74, which consists of two widths and two lengths.\r \n" ); document.write( "\n" ); document.write( "so: 74=2(5+3w)+w+w \n" ); document.write( "74=10+8w \n" ); document.write( "64=8w \n" ); document.write( "w=8 \n" ); document.write( "now that you found w, find l: \n" ); document.write( "5+3(8)=5+24=29 \n" ); document.write( "length=29 \n" ); document.write( "width=8 \n" ); document.write( " |