Crate W is 3 times as heavy as Crate X. Crate Y is 6.63 kg heavier than Crate X. The total mass of Crate W and Crate X is 58 kg.
- What is the mass of Crate X?
- What is the mass of Crate Y?
(a)
Mass of Crate X = 1 u
Mass of Crate W
= 3 x 1 u
= 3 u
Mass of Crate Y = 1 u + 6.63
Total mass of Crate W and Crate X
= 1 u + 3 u
= 4 u
4 u = 58
1 u = 58 ÷ 4 = 14.5
Mass of Crate X
= 1 u
= 14.5 kg
(b)
Mass of Crate Y
= 1 u + 6.63
= 14.5 + 6.63
= 21.13 kg
Answer(s): (a) 14.5 kg; (b) 21.13 kg