Level 3
A barrel can hold 96 ℓ of water. A tank can hold 12 more litres of water than the barrel. An aquarium can hold 3 times as much water as the tank. If the aquarium is 34 filled with water, how much more water is needed to fill the aquarium completely?
Level 3 Perry bought a piece of rope and cut it into 3 pieces. The third piece was 2.5 m longer than the first piece. The second piece was 2.42 m shorter than the third piece.
If the first piece was 10.29 m, find the length of the rope before it was cut.
How much did Perry pay if each metre of the rope was $2?
Level 3 Lucy saved some of her school pocket money for 4 days. She saved $3 on the first day. For the remaining 3 days, she saved $0.40 more than the previous day.
How much money did she save in 4 days?
Lucy then spent all her savings on 9 identical notebooks. How much did each notebook cost?
Level 3 A basket containing 3 persimmons had a total mass of 7 kg. When 4 more persimmons were added into the basket, the total mass became 14.6 kg. Find the mass of the empty basket.
Level 3 The total mass of a kitten, a mouse and a puppy is 11 kg. The mouse is 0.4 kg heavier than the kitten. The puppy is 4 times as heavy as the mouse. Find the mass of the puppy.
Level 3 The total length of a string, a rope and a ribbon is 42.7 m. The ribbon is 14 m longer than the string. The rope is 5 times as long as the string. Find the difference in length between the rope and the ribbon.
