Question
Penelope consumed 72 mℓ of medicine from a bottle containing containing 64 doses of medicine. After she had accidentally spilled 18 of the remaining medicine, only 49 doses of medicine were left. Calculate the total volume of medicine in the bottle at first in mℓ.
4 m

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Penelope consumed 72 mℓ of medicine from a bottle containing containing 64 doses of medicine. After she had accidentally spilled 18 of the remaining medicine, only 49 doses of medicine were left. Calculate the total volume of medicine in the bottle at first in mℓ.