Crate K is 4 times as heavy as Crate L. Crate M is 7.06 kg heavier than Crate L. The total mass of Crate K and Crate L is 74 kg.
- What is the mass of Crate L?
- What is the mass of Crate M?
(a)
Mass of Crate L = 1 u
Mass of Crate K
= 4 x 1 u
= 4 u
Mass of Crate M = 1 u + 7.06
Total mass of Crate K and Crate L
= 1 u + 4 u
= 5 u
5 u = 74
1 u = 74 ÷ 5 = 14.8
Mass of Crate L
= 1 u
= 14.8 kg
(b)
Mass of Crate M
= 1 u + 7.06
= 14.8 + 7.06
= 21.86 kg
Answer(s): (a) 14.8 kg; (b) 21.86 kg