document.write( "Question 958608: The rectangle has a perimeter of 40 centimeters.The length of the rectangle is 4 times as long as the width.Find the dimensions of the rectangle. \n" ); document.write( "
Algebra.Com's Answer #585876 by macston(5194)![]() ![]() You can put this solution on YOUR website! . \n" ); document.write( "W=width; L=length=4W; P=perimeter=40cm \n" ); document.write( "P=2(L+W) Substitute for L \n" ); document.write( "P=2(4W+W) \n" ); document.write( "P=2(5W) \n" ); document.write( "P=10W Divide each side by 10. \n" ); document.write( "P/10=W Insert value for P \n" ); document.write( "40cm/10=W \n" ); document.write( "4cm=W ANSWER 1: The width is 4 cm. \n" ); document.write( "L=4W=4(4cm)=16cm ANSWER 2: The length is 16 cm. \n" ); document.write( "CHECK: \n" ); document.write( "P=2(L+W) \n" ); document.write( "40cm=2(16cm+4cm) \n" ); document.write( "40cm=2(20cm) \n" ); document.write( "40cm=40cm \n" ); document.write( " |