Box W is 4 times as heavy as Box X. Box Y is 5.98 kg heavier than Box X. The total mass of Box W and Box X is 76 kg.
- What is the mass of Box X?
- What is the mass of Box Y?
(a)
Mass of Box X = 1 u
Mass of Box W
= 4 x 1 u
= 4 u
Mass of Box Y = 1 u + 5.98
Total mass of Box W and Box X
= 1 u + 4 u
= 5 u
5 u = 76
1 u = 76 ÷ 5 = 15.2
Mass of Box X
= 1 u
= 15.2 kg
(b)
Mass of Box Y
= 1 u + 5.98
= 15.2 + 5.98
= 21.18 kg
Answer(s): (a) 15.2 kg; (b) 21.18 kg