document.write( "Question 1025229: A rectangle is 4 times as long as it is wide. The perimeter of a rectangle is 50cm. what are the dimensions of the rectangle? \n" ); document.write( "
Algebra.Com's Answer #640500 by macston(5194)![]() ![]() You can put this solution on YOUR website! . \n" ); document.write( "W=width; L=length=4W \n" ); document.write( ". \n" ); document.write( "P=2(L+W) \n" ); document.write( "50cm=2(L+W) \n" ); document.write( "25cm=L+W \n" ); document.write( "25cm=4W+W \n" ); document.write( "25cm=5W \n" ); document.write( "5cm=W \n" ); document.write( ". \n" ); document.write( "L=4W=4(5cm)=20cm \n" ); document.write( ". \n" ); document.write( "ANSWER: Length is 20cm and width is 5cm. \n" ); document.write( ". \n" ); document.write( "CHECK: \n" ); document.write( "P=2(L+W) \n" ); document.write( "50cm=2(20cm+5cm) \n" ); document.write( "50cm=2(25cm) \n" ); document.write( "50cm=50cm \n" ); document.write( ". \n" ); document.write( " \n" ); document.write( " |