Crate N is 3 times as heavy as Crate P. Crate Q is 6.12 kg heavier than Crate P. The total mass of Crate N and Crate P is 50 kg.
- What is the mass of Crate P?
- What is the mass of Crate Q?
(a)
Mass of Crate P = 1 u
Mass of Crate N
= 3 x 1 u
= 3 u
Mass of Crate Q = 1 u + 6.12
Total mass of Crate N and Crate P
= 1 u + 3 u
= 4 u
4 u = 50
1 u = 50 ÷ 4 = 12.5
Mass of Crate P
= 1 u
= 12.5 kg
(b)
Mass of Crate Q
= 1 u + 6.12
= 12.5 + 6.12
= 18.62 kg
Answer(s): (a) 12.5 kg; (b) 18.62 kg