Level 3
Alice consumed 150 mℓ of medicine from a bottle containing 60 doses of medicine. After she had accidentally spilled 15 of the remaining medicine, only 36 doses of medicine were left. Calculate the total volume of medicine in the bottle at first in mℓ.
Level 3
Alice poured 18 bottles of water into an empty tank, filling it to 67 of its capacity. Each bottle had a capacity of 2 ℓ. What was the capacity of the tank?
Level 3
The total capacity of a bottle and a mug is 8 ℓ. The total capacity of 3 such bottles and 5 such mugs is 31 ℓ. What is the capacity of each mug? Express your answer in ℓ
Level 3
Sean drank 35 of the water in his water bottle. He accidentally spilled 14 of the remaining water. As a result, he had 90 millilitres of water left in his water bottle. How much water did Sean have at first? Give your answer in millilitres.
