Question
PSLE
The average mass of 3 boys, Christian, Bryan, David, is 32 kg. Christian is heavier than Bryan by 8 kg. The total mass of Christian and Bryan is the same as the mass of David. What is the mass of Christian?
2 m

Click button first when a symbol is required. X

PSLE
The average mass of 3 boys, Christian, Bryan, David, is 32 kg. Christian is heavier than Bryan by 8 kg. The total mass of Christian and Bryan is the same as the mass of David. What is the mass of Christian?