The length of the rectangular field is double its width. Inside the field there is square shaped pond 8m long. If the area of the pond is 1/8 of the area of the field. What is the length of the field?
A/8 = 8 $\times$ 8 => A = 8 $\times$ 8 $\times$ 8
x $\times 2x$ = 8 $\times$ 8 $\times$ 8
x = 16 => 2x = 32
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