Question 1134512
Length = 2 (width)

Perimeter of a rectangle = 2(length + width) = 39

Let width = w and substitute length into the equation above ^:

2*(2w+w))=39
2*(3w) = 39
6w = 39
w = 39/6 = 13/2m

length = 2w = 2(13/2) = 13m

Dimensions of the garden: 
length = 13m
width = 6.5m

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