Question
A jug can fill up 7 cups. A can can fill up 3 cups. 1 jug and 3 cans can fill up a container. How many cups are needed to fill up the container?
4 m

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A jug can fill up 7 cups. A can can fill up 3 cups. 1 jug and 3 cans can fill up a container. How many cups are needed to fill up the container?