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 = _____
4 m
Level 2
A wholesaler receives a shipment of 6500 plastic folders. He wants to pack them into packets. Each packet can contain 30 folders. What is the least number of packets that he needs to pack all the folders?
2 m
Level 2
The average score received by Jan, Alicia, Sue and May in a recent Math test was 76 marks. Jan and Alicia both got 8z marks each while Sue got half of May's marks. How many marks did Sue score for the test? Express your answer in terms of z.
3 m
Level 3
The figure shows a rectangular tank measuring 30 cm by 15 cm by 20 cm. Vera poured 558 mℓ of water into the tank. Then she turned on two taps at the same time to fill up Tank with water. Water was flowing from both taps at the same rate. After 5 minutes, both taps were turned off but 1.2ℓ of water had overflowed and was collected in a tray. Find the rate of the flow of water of each tap in millimetres per minute.
3 m
Level 3
Tank A, measuring 40 cm by 30 cm by 50 cm, was filled with water to the brim. Water was then poured from Tank A to Tank B, which has a base area of 900 cm2 until the height of the water level in Tank B became twice that of the water level in Tank A. Find the volume of water in Tank B, leaving the answer in litres.
3 m