Crate B is 4 times as heavy as Crate C. Crate D is 5.95 kg heavier than Crate C. The total mass of Crate B and Crate C is 49 kg.
- What is the mass of Crate C?
- What is the mass of Crate D?
(a)
Mass of Crate C = 1 u
Mass of Crate B
= 4 x 1 u
= 4 u
Mass of Crate D = 1 u + 5.95
Total mass of Crate B and Crate C
= 1 u + 4 u
= 5 u
5 u = 49
1 u = 49 ÷ 5 = 9.8
Mass of Crate C
= 1 u
= 9.8 kg
(b)
Mass of Crate D
= 1 u + 5.95
= 9.8 + 5.95
= 15.75 kg
Answer(s): (a) 9.8 kg; (b) 15.75 kg