Question
Opal has 3 bottles of pear juice. Bottle B holds 490 mℓ more than Bottle C and Bottle C holds twice as much as Bottle D. If Bottle D holds 640 mℓ of juice, how much does Bottle B hold?
4 m

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Opal has 3 bottles of pear juice. Bottle B holds 490 mℓ more than Bottle C and Bottle C holds twice as much as Bottle D. If Bottle D holds 640 mℓ of juice, how much does Bottle B hold?