The mass of a container with 4 flying saucers is 9.59 kg.
Each flying saucer weighs 1.31 kg.
- What is the mass of the empty container?
- What is the mass of 9 empty containers?
(a)
Mass of 4 flying saucers
= 4 x 1.31
= 5.24 kg
Mass of the empty container
= 9.59 - 5.24
= 4.35 kg
(b)
Mass of 9 empty containers
= 9 x 4.35
= 39.15 kg
Answer(s): (a) 4.35 kg; (b) 39.15 kg