Question
Pail P has a capacity of 3900 mℓ. Pail Q has a capacity of 940 mℓ less than that of Pail P but 220 mℓ more than Pail R. Find the capacity of Pail R in mℓ.
4 m

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Pail P has a capacity of 3900 mℓ. Pail Q has a capacity of 940 mℓ less than that of Pail P but 220 mℓ more than Pail R. Find the capacity of Pail R in mℓ.