Box Z is 4 times as heavy as Box A. Box B is 5.57 kg heavier than Box A. The total mass of Box Z and Box A is 66 kg.
- What is the mass of Box A?
- What is the mass of Box B?
(a)
Mass of Box A = 1 u
Mass of Box Z
= 4 x 1 u
= 4 u
Mass of Box B = 1 u + 5.57
Total mass of Box Z and Box A
= 1 u + 4 u
= 5 u
5 u = 66
1 u = 66 ÷ 5 = 13.2
Mass of Box A
= 1 u
= 13.2 kg
(b)
Mass of Box B
= 1 u + 5.57
= 13.2 + 5.57
= 18.77 kg
Answer(s): (a) 13.2 kg; (b) 18.77 kg