Box P is 4 times as heavy as Box Q. Box R is 7.57 kg heavier than Box Q. The total mass of Box P and Box Q is 59 kg.
- What is the mass of Box Q?
- What is the mass of Box R?
(a)
Mass of Box Q = 1 u
Mass of Box P
= 4 x 1 u
= 4 u
Mass of Box R = 1 u + 7.57
Total mass of Box P and Box Q
= 1 u + 4 u
= 5 u
5 u = 59
1 u = 59 ÷ 5 = 11.8
Mass of Box Q
= 1 u
= 11.8 kg
(b)
Mass of Box R
= 1 u + 7.57
= 11.8 + 7.57
= 19.37 kg
Answer(s): (a) 11.8 kg; (b) 19.37 kg