document.write( "Question 747967: A rectangle has a perimeter of 78 feet. If the width is 5 feet less than the length. what are the dimensions ? \n" ); document.write( "
Algebra.Com's Answer #455260 by FrankM(1040) You can put this solution on YOUR website! W+5=L\r \n" ); document.write( "\n" ); document.write( "Perimeter is the sum of 4 sides, 2W + 2L\r \n" ); document.write( "\n" ); document.write( "But L=W+5 so\r \n" ); document.write( "\n" ); document.write( "78= 2W+2W+10\r \n" ); document.write( "\n" ); document.write( "78 = 4W + 10\r \n" ); document.write( "\n" ); document.write( "68= 4W\r \n" ); document.write( "\n" ); document.write( "W = 17 and L = 22 \n" ); document.write( " |