Crate E is 4 times as heavy as Crate F. Crate G is 5.81 kg heavier than Crate F. The total mass of Crate E and Crate F is 51 kg.
- What is the mass of Crate F?
- What is the mass of Crate G?
(a)
Mass of Crate F = 1 u
Mass of Crate E
= 4 x 1 u
= 4 u
Mass of Crate G = 1 u + 5.81
Total mass of Crate E and Crate F
= 1 u + 4 u
= 5 u
5 u = 51
1 u = 51 ÷ 5 = 10.2
Mass of Crate F
= 1 u
= 10.2 kg
(b)
Mass of Crate G
= 1 u + 5.81
= 10.2 + 5.81
= 16.01 kg
Answer(s): (a) 10.2 kg; (b) 16.01 kg