Question 1160592
Area1=x(x+8)=x^2+8x, where x= width and x+8= length

Area 2=(x+8)(x+16)=x^2+24x+128=3x^2+24x
2x^2=128
x=8 feet
original rectangle is 8 x16 feet with area 128 ft^2.
new rectangle is 16*24 feet with area 384 ft^2.