The mass of a box with 2 mini-helicopters is 3.18 kg.
The mass of the empty box is 2.68 kg.
- What is the mass of each mini-helicopter?
- What is the mass of a box with 10 mini-helicopters?
(a)
Mass of 2 mini-helicopters
= 3.18 - 2.68
= 0.5 kg
Mass of 1 mini-helicopter
= 0.5 ÷ 2
= 0.25 kg
(b)
Mass of 1 box with 10 mini-helicopters
= 2.68 + 10 x 0.25
= 2.68 + 2.5
= 5.18 kg
Answer(s): (a) 0.25 kg; (b) 5.18 kg