Level 2
If one watermelon weighs 1.3 kg and another watermelon weighs 1.9 kg, what is the average mass of the two watermelons?
2 m
Level 2
Gary weighs x kg while Jim weighs 20 kg.
  1. Find the average mass of each boy in terms of x .
  2. If x = 30, find the average mass of each boy.
2 m
Level 1 PSLE
Nina used 14 kg of flour to make muffins and 12 kg of flour to make biscuits. After that, she had 200 g of flour left. How many kilograms of flour did she have at first?
2 m
Level 2
David is 10 kg heavier than John and 8 kg heavier than Luis. The average mass of the 3 men is 77 kg. Find the average mass of John and Luis.
2 m
Level 2
Tom has a mass of 8r kg. John is 4 kg heavier than Tom. The mass of May is twice the total mass of the Tom and John.
  1. Find the total mass of the 3 children in terms of r.
  2. If r = 2, find the average mass of the 3 children.
2 m