The total mass of 9 bags of bread flour and 2 bags of chicken powder is 158 kg. Each bag of bread flour has a mass of 12 kg.
- What is the total mass of 9 bags of bread flour?
- What is the total mass of 2 bags of chicken powder?
- If each bag of chicken powder has the same mass, what is the mass of 1 bag of chicken powder?
(a)
Let the mass of 1 bag of bread flour and chicken powder be B and C respectively.
Let 1 bag of bread flour be 1 B.
Let 1 bag of chicken powder be 1 C.
9 B + 2 C = 158
1 B = 12
Mass of 9 bags of bread flour
= 9 x 12
= 108 kg
(b)
Mass of 2 bags of chicken powder
= 158 - 108
= 50 kg
(c)
Mass of 1 bag of chicken powder
= 50 ÷ 2
= 25 kg
Answer(s): (a) 108 kg; (b) 50 kg; (c) 25 kg