3,6,12,24,48,96,192,384,768,1536,3072,6144 all you have to do is multiply the last number by 2
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Answer:
3
Step-by-step explanation:
In order to have a perfect square you have to have at least two prime factors, and since three is quite clearly not in a pair, the answer is three.
Thx from the website http://goodcalculators.com/ratio-calculator/
Dimension of smaller garden :
l = 1/2 ft.
b = 2/3 ft.
Dimension of bigger garden :
L = 4 ft.
Let , breadth be x ft.
We know , area is given by :
Area = L×B.
Area of small garden = 
Area of big garden 
Hence, this is the required solution.