The mass of a container with 7 flying saucers is 18.85 kg.
Each flying saucer weighs 1.45 kg.
- What is the mass of the empty container?
- What is the mass of 10 empty containers?
(a)
Mass of 7 flying saucers
= 7 x 1.45
= 10.15 kg
Mass of the empty container
= 18.85 - 10.15
= 8.7 kg
(b)
Mass of 10 empty containers
= 10 x 8.7
= 87 kg
Answer(s): (a) 8.7 kg; (b) 87 kg