document.write( "Question 295348: The length of a rectangle is 5 more than twice the width. The perimeter is 130. What is the area? Answer in back of book is that area is 900 sq. units. My son doesn't know how to show this. \n" ); document.write( "
Algebra.Com's Answer #212848 by scott8148(6628)![]() ![]() You can put this solution on YOUR website! if x is the width, then 2x+5 is the length\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "p = 2(x) + 2(2x+5)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "130 = 6x + 10 ___ x = 20\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "2x + 5 = 45\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "a = 20 * 45 = 900 \n" ); document.write( " |