Container X is 4 times as heavy as Container Y. Container Z is 7.73 kg heavier than Container Y. The total mass of Container X and Container Y is 77 kg.
- What is the mass of Container Y?
- What is the mass of Container Z?
(a)
Mass of Container Y = 1 u
Mass of Container X
= 4 x 1 u
= 4 u
Mass of Container Z = 1 u + 7.73
Total mass of Container X and Container Y
= 1 u + 4 u
= 5 u
5 u = 77
1 u = 77 ÷ 5 = 15.4
Mass of Container Y
= 1 u
= 15.4 kg
(b)
Mass of Container Z
= 1 u + 7.73
= 15.4 + 7.73
= 23.13 kg
Answer(s): (a) 15.4 kg; (b) 23.13 kg