Question
A bottle contains some coffee.
Adam drinks 27 litre of coffee.
Bryan drinks 12 litre of coffee.
There is 12 litre of coffee left in the bottle.
How much coffee is there at first in ℓ?
Give the answer in fraction.
2 m

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A bottle contains some coffee.
Adam drinks 27 litre of coffee.
Bryan drinks 12 litre of coffee.
There is 12 litre of coffee left in the bottle.
How much coffee is there at first in ℓ?
Give the answer in fraction.