The total mass of 4 packets of sugar and 8 packets of flour is 288 kg. Each packet of sugar has a mass of 20 kg.
- What is the total mass of 4 packets of sugar?
- What is the total mass of 8 packets of flour?
- If each bag of flour has the same mass, what is the mass of 1 packet of flour?
(a)
Let the mass of 1 packet of sugar and flour be S and F respectively.
Let 1 packet of sugar be 1 S.
Let 1 packet of flour be 1 F.
4 S + 8 F = 288
1 S = 20
Mass of 4 packets of sugar
= 4 x 20
= 80 kg
(b)
Mass of 8 packets of flour
= 288 - 80
= 208 kg
(c)
Mass of 1 packet of flour
= 208 ÷ 8
= 26 kg
Answer(s): (a) 80 kg; (b) 208 kg; (c) 26 kg