Container X is 4 times as heavy as Container Y. Container Z is 7.56 kg heavier than Container Y. The total mass of Container X and Container Y is 61 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 + 7.56
Total mass of Container X and Container Y
= 1 u + 4 u
= 5 u
5 u = 61
1 u = 61 ÷ 5 = 12.2
Mass of Container Y
= 1 u
= 12.2 kg
(b)
Mass of Container Z
= 1 u + 7.56
= 12.2 + 7.56
= 19.76 kg
Answer(s): (a) 12.2 kg; (b) 19.76 kg