document.write( "Question 843414: If I have 80 feet of fencing and I need to have 500 square feet of area. How would I do it? \n" ); document.write( "
Algebra.Com's Answer #508088 by JulietG(1812)![]() ![]() You can put this solution on YOUR website! Your perimeter is 2Length + 2Width. You know you have 80 feet of fencing, so 2L + 2W = 80. Divide each side by 2 to get L + W = 40 \n" ); document.write( ". \n" ); document.write( "Width * Length = area. W * L = 500 \n" ); document.write( ". \n" ); document.write( "What you need is 2 numbers that equal 40 when added and 500 when multiplied. \n" ); document.write( "What are the factors of 500? \n" ); document.write( "1,500 \n" ); document.write( "2,250 \n" ); document.write( "4,125 \n" ); document.write( "5,100 \n" ); document.write( "10,50 \n" ); document.write( "20,25\r \n" ); document.write( "\n" ); document.write( "None of these work. Are you sure the 80 and 500 numbers are correct/ \n" ); document.write( " |