Question
Luke bought 3 barrels of varied sizes. The first barrel can hold 700 mℓ more than the second barrel and the second barrel can hold 840 mℓ more than the last barrel. If the last barrel can contain 870 mℓ of water, find the capacity of the first barrel. Express the answer in mℓ.
4 m

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Luke bought 3 barrels of varied sizes. The first barrel can hold 700 mℓ more than the second barrel and the second barrel can hold 840 mℓ more than the last barrel. If the last barrel can contain 870 mℓ of water, find the capacity of the first barrel. Express the answer in mℓ.