Crate N is 3 times as heavy as Crate P. Crate Q is 6.15 kg heavier than Crate P. The total mass of Crate N and Crate P is 58 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 + 6.15
Total mass of Crate N and Crate P
= 1 u + 3 u
= 4 u
4 u = 58
1 u = 58 ÷ 4 = 14.5
Mass of Crate P
= 1 u
= 14.5 kg
(b)
Mass of Crate Q
= 1 u + 6.15
= 14.5 + 6.15
= 20.65 kg
Answer(s): (a) 14.5 kg; (b) 20.65 kg