Level 3
Beryl has 2 containers. A and B of different capacities. If Container A is filled by a tap at a rate of 3 litres per minute and Container B is filled by a tap at a rate of 5 litres per minute, when Container A is completely filled, 5 litres of water flowed out from Container B. If Container A is filled by a tap at a rate of 4 litres per minute and Container B is filled by a tap at a rate of 3 litres per minute, when Container A is completely filled, Container B is only half-filled. What is the capacity of Container B?

Level 3
2 p - 3 u = 8
3 p - 2 u = 22

Find the following values.

1. 1 u
2. 1 p

Level 3
7 p - 5 u = 45
2 p - 3 u = 5

Find the following values.

1. 1 u
2. 1 p

Level 3
The ratio of the number of blue stickers to red stickers is 5 : 2.
After Adam buys another 10 blue stickers and 20 red stickers,
the ratio becomes of the number of blue stickers to red stickers is 7 : 6.
How many stickers does Adam have now?

Level 2
3 A + 3 B = 15
5 A + 3 B = 21

Fill in the blanks.

1. 2 A = _____
2. 1 A =_____
3. 1 B = _____