Level 3
7 p - 3 u = 25
5 u - 4 p = 12

Find the following values.

1. 1 u
2. 1 p

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

Fill in the blanks.

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

Level 3
3 A + 2 B = 13
4 A + 3 B = 18

Fill in the blanks.

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

Level 3
3 A + 2 B = 13
4 A + 3 B = 18

Fill in the blanks.

1. 1 A = _____
2. 1 B = _____
3. 2 A + 5 B = _____

Level 3 PSLE
Mr Wong used ³₈ of his money to buy 8 apples and 12 peaches. The cost of 4 apples was the same as that of 2 peaches. What was the most number of peaches that Mr Wong could buy with the money he had left?

Level 3
The mass of 4 children, Mandy, Nellie, Peter and Richie were taken. Only 3 children can be weighed at one time. Mandy, Nellie and Peter weighed a total of 55 kg. Nellie, Peter and Richie weighed a total of 56 kg. Mandy, Peter and Richie weighed a total of 57 kg. Mandy, Nellie, and Richie weighed a total of 60 kg. What is the average mass of the 4 children?