Box D is 3 times as heavy as Box E. Box F is 5.79 kg heavier than Box E. The total mass of Box D and Box E is 54 kg.
- What is the mass of Box E?
- What is the mass of Box F?
(a)
Mass of Box E = 1 u
Mass of Box D
= 3 x 1 u
= 3 u
Mass of Box F = 1 u + 5.79
Total mass of Box D and Box E
= 1 u + 3 u
= 4 u
4 u = 54
1 u = 54 ÷ 4 = 13.5
Mass of Box E
= 1 u
= 13.5 kg
(b)
Mass of Box F
= 1 u + 5.79
= 13.5 + 5.79
= 19.29 kg
Answer(s): (a) 13.5 kg; (b) 19.29 kg