Crate J is 4 times as heavy as Crate K. Crate L is 6.46 kg heavier than Crate K. The total mass of Crate J and Crate K is 67 kg.
- What is the mass of Crate K?
- What is the mass of Crate L?
(a)
Mass of Crate K = 1 u
Mass of Crate J
= 4 x 1 u
= 4 u
Mass of Crate L = 1 u + 6.46
Total mass of Crate J and Crate K
= 1 u + 4 u
= 5 u
5 u = 67
1 u = 67 ÷ 5 = 13.4
Mass of Crate K
= 1 u
= 13.4 kg
(b)
Mass of Crate L
= 1 u + 6.46
= 13.4 + 6.46
= 19.86 kg
Answer(s): (a) 13.4 kg; (b) 19.86 kg