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
Mrs Ang had a total of 306 dresses for sale. She sold 23 of the dresses to Shop A and 19 of the dresses to Shop B. How many dresses had she left?
Level 3
Xavier gave 111 of his stamps to Joe, 211 of his stamps to Jason and 311 of his stamps to Kim. He then had 20 stamps left. How many stamps had he at first?
Level 3
Xavier gave 112 of his stamps to Joe, 311 of his remaining stamps to Jason and 58 of the rest of his stamps to Kim. He then had 15 stamps left. How many stamps had he at first?
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.
