Question
The mass of a box with 3 mini planes is 10.81 kg.
Each mini plane weighs 1.13 kg.
  1. What is the mass of the empty box?
  2. What is the mass of 9 empty boxes?
3 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

The mass of a box with 3 mini planes is 10.81 kg.
Each mini plane weighs 1.13 kg.
  1. What is the mass of the empty box?
  2. What is the mass of 9 empty boxes?