Box J is 4 times as heavy as Box K. Box L is 6.43 kg heavier than Box K. The total mass of Box J and Box K is 43 kg.
- What is the mass of Box K?
- What is the mass of Box L?
(a)
Mass of Box K = 1 u
Mass of Box J
= 4 x 1 u
= 4 u
Mass of Box L = 1 u + 6.43
Total mass of Box J and Box K
= 1 u + 4 u
= 5 u
5 u = 43
1 u = 43 ÷ 5 = 8.6
Mass of Box K
= 1 u
= 8.6 kg
(b)
Mass of Box L
= 1 u + 6.43
= 8.6 + 6.43
= 15.03 kg
Answer(s): (a) 8.6 kg; (b) 15.03 kg