Robert wants to fence a rectangular plot of land of at least 500 square feet while using the least amount of fencing possible. He wants the width of the plot to be 5 ft longer than the length. What is the width of the plot?

isthebest123 Oct 2, 2018

#2**0 **

x (x+5) = 500 (at least)

x^2+5x-500 = 0 quadratic formula shows x = 20 plot is 20 x 25 '

20 x 25 = 500 sq ft

perimeter = 90 feet

ElectricPavlov Oct 2, 2018

#2**0 **

Best Answer

x (x+5) = 500 (at least)

x^2+5x-500 = 0 quadratic formula shows x = 20 plot is 20 x 25 '

20 x 25 = 500 sq ft

perimeter = 90 feet

ElectricPavlov Oct 2, 2018