Question
A flask can fill up 7 glasses. A can can fill up 4 glasses. 1 flask and 5 cans can fill up a bucket. How many glasses are needed to fill up the bucket?
4 m

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A flask can fill up 7 glasses. A can can fill up 4 glasses. 1 flask and 5 cans can fill up a bucket. How many glasses are needed to fill up the bucket?