Box K is 4 times as heavy as Box L. Box M is 6.25 kg heavier than Box L. The total mass of Box K and Box L is 58 kg.
- What is the mass of Box L?
- What is the mass of Box M?
(a)
Mass of Box L = 1 u
Mass of Box K
= 4 x 1 u
= 4 u
Mass of Box M = 1 u + 6.25
Total mass of Box K and Box L
= 1 u + 4 u
= 5 u
5 u = 58
1 u = 58 ÷ 5 = 11.6
Mass of Box L
= 1 u
= 11.6 kg
(b)
Mass of Box M
= 1 u + 6.25
= 11.6 + 6.25
= 17.85 kg
Answer(s): (a) 11.6 kg; (b) 17.85 kg