Question
A jug can fill up 5 mugs. A bottle can fill up 2 mugs. 1 jug and 3 bottles can fill up a tank. How many mugs are needed to fill up the tank?
4 m

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A jug can fill up 5 mugs. A bottle can fill up 2 mugs. 1 jug and 3 bottles can fill up a tank. How many mugs are needed to fill up the tank?