Question
PSLE
The figure shows three boxes A, B and C on a balance scale. The average mass of the three boxes is 1150 g. The mass of B is a 3-digit number. What is the smallest possible difference between the mass of A and B?
3 m

Click button first when a symbol is required. X

PSLE
The figure shows three boxes A, B and C on a balance scale. The average mass of the three boxes is 1150 g. The mass of B is a 3-digit number. What is the smallest possible difference between the mass of A and B?