Question
A bottle can fill up 9 bottles. A pot can fill up 4 bottles. 1 bottle and 4 pots can fill up a bucket. How many bottles are needed to fill up the bucket?
4 m

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A bottle can fill up 9 bottles. A pot can fill up 4 bottles. 1 bottle and 4 pots can fill up a bucket. How many bottles are needed to fill up the bucket?