Level 3
There is 230 mℓ more water in Container B than in Container A. There is 305 mℓ less water in Container A than in Container C. The total amount of water in the three containers is 1495 mℓ.
How much more water is there in Container C than in Container B?
Level 3
Farmer Lee packed a total of 146 apples and pears into 20 bags. Each bag contained either apples or pears. The apples were packed in bags of 6 and the pears were packed in bags of 8. How many apples were there?
Level 3
Three boys collected 220 stamps altogether. Jake collected 4 times as many stamps as Ken. Ben collected 35 stamps. How many stamps did Ken collect?
Level 3
There were twice as many children as boys and thrice as many girls as boys at a carnival. Given that there were a total of 360 children at the carnival, how many girls were at the carnival?
Level 3
The total heights of three ostriches is 1225 cm. Ostrich A is twice as tall as Ostrich B. Ostrich C is twice as tall as Ostrich A. What is the height of Ostrich C?