Crate F is 4 times as heavy as Crate G. Crate H is 7.16 kg heavier than Crate G. The total mass of Crate F and Crate G is 51 kg.
- What is the mass of Crate G?
- What is the mass of Crate H?
(a)
Mass of Crate G = 1 u
Mass of Crate F
= 4 x 1 u
= 4 u
Mass of Crate H = 1 u + 7.16
Total mass of Crate F and Crate G
= 1 u + 4 u
= 5 u
5 u = 51
1 u = 51 ÷ 5 = 10.2
Mass of Crate G
= 1 u
= 10.2 kg
(b)
Mass of Crate H
= 1 u + 7.16
= 10.2 + 7.16
= 17.36 kg
Answer(s): (a) 10.2 kg; (b) 17.36 kg