document.write( "Question 1009896: The perimeter of a rectangle is 76 cm. if the width is doubled and the length is halved, the new rectangle has a perimeter of 62 cm. What are the dimensions of the original rectangle and what is the area of the new rectangle? \n" ); document.write( "
Algebra.Com's Answer #625366 by josmiceli(19441)![]() ![]() You can put this solution on YOUR website! The formula for perimeter is: \n" ); document.write( "(1) \n" ); document.write( "Also given: \n" ); document.write( "(2) \n" ); document.write( "--------------------------- \n" ); document.write( "(2) \n" ); document.write( "and \n" ); document.write( "(1) \n" ); document.write( "(1) \n" ); document.write( "------------------- \n" ); document.write( "Subtract (1) from (2) \n" ); document.write( "(2) \n" ); document.write( "(1) \n" ); document.write( "-------------------- \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "and \n" ); document.write( "(1) \n" ); document.write( "(1) \n" ); document.write( "(1) \n" ); document.write( "The dimensions of the original rectangle are: \n" ); document.write( "8 x 30 \n" ); document.write( "------------------ \n" ); document.write( "The area of the new rectangle is: \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "240 cm2 \n" ); document.write( " |