Question
PSLE
The graph shows the mass of a glass when empty and when different combinations of objects X, Y and Z are placed in the glass.


  1. What is the mass of the empty glass?
  2. What is the average mass of the objects X, Y and Z?
2 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

PSLE
The graph shows the mass of a glass when empty and when different combinations of objects X, Y and Z are placed in the glass.


  1. What is the mass of the empty glass?
  2. What is the average mass of the objects X, Y and Z?