Container B is 3 times as heavy as Container C. Container D is 7.25 kg heavier than Container C. The total mass of Container B and Container C is 70 kg.
- What is the mass of Container C?
- What is the mass of Container D?
(a)
Mass of Container C = 1 u
Mass of Container B
= 3 x 1 u
= 3 u
Mass of Container D = 1 u + 7.25
Total mass of Container B and Container C
= 1 u + 3 u
= 4 u
4 u = 70
1 u = 70 ÷ 4 = 17.5
Mass of Container C
= 1 u
= 17.5 kg
(b)
Mass of Container D
= 1 u + 7.25
= 17.5 + 7.25
= 24.75 kg
Answer(s): (a) 17.5 kg; (b) 24.75 kg