Question 1122733
Helps to draw this
width=x
length is 270-2x
2x*4=width cost or 8x
24(270-2x)=length cost or 6480-48x
total is -40x+6480=2280
-40x=-4200
x=105 feet width, 2 of them, cost is $840
270-2x is 60 feet length, cost is $1440
Total cost is $2280