Question
A flask can hold 15 ℓ of water. A jug can hold 5 ℓ of water. How many jugs of water are needed to fill up 7 flasks completely?
4 m

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A flask can hold 15 ℓ of water. A jug can hold 5 ℓ of water. How many jugs of water are needed to fill up 7 flasks completely?