document.write( "Question 218506: The perimeter of a rectangle is 42 inches. The lenth is twice the width. What are the dimensions? What is the area? \n" ); document.write( "
Algebra.Com's Answer #164571 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! L=2W \n" ); document.write( "2L+2W=42 \n" ); document.write( "2*2W+2W=42 \n" ); document.write( "4W+2W=42 \n" ); document.write( "6W=42 \n" ); document.write( "W=42/6 \n" ); document.write( "W=7 IN. FOR THE WIDTH \n" ); document.write( "L=2*7=14 IN. FOR THE LENGTH. \n" ); document.write( "PROOF: \n" ); document.write( "2*14+2*7=42 \n" ); document.write( "28+14=42 \n" ); document.write( "42=42 \n" ); document.write( " \n" ); document.write( " |