Question
A bottle can fill up 3 bottles. A pail can fill up 2 bottles. 1 bottle and 5 pails 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 3 bottles. A pail can fill up 2 bottles. 1 bottle and 5 pails can fill up a bucket. How many bottles are needed to fill up the bucket?