Box W is 4 times as heavy as Box X. Box Y is 7.59 kg heavier than Box X. The total mass of Box W and Box X is 47 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 + 7.59
Total mass of Box W and Box X
= 1 u + 4 u
= 5 u
5 u = 47
1 u = 47 ÷ 5 = 9.4
Mass of Box X
= 1 u
= 9.4 kg
(b)
Mass of Box Y
= 1 u + 7.59
= 9.4 + 7.59
= 16.99 kg
Answer(s): (a) 9.4 kg; (b) 16.99 kg