The total mass of 6 packets of rice flour and 4 packets of pepper is 194 kg. Each packet of rice flour has a mass of 15 kg.
- What is the total mass of 6 packets of rice flour?
- What is the total mass of 4 packets of pepper?
- If each bag of pepper has the same mass, what is the mass of 1 packet of pepper?
(a)
Let the mass of 1 packet of rice flour and pepper be R and P respectively.
Let 1 packet of rice flour be 1 R.
Let 1 packet of pepper be 1 P.
6 R + 4 P = 194
1 R = 15
Mass of 6 packets of rice flour
= 6 x 15
= 90 kg
(b)
Mass of 4 packets of pepper
= 194 - 90
= 104 kg
(c)
Mass of 1 packet of pepper
= 104 ÷ 4
= 26 kg
Answer(s): (a) 90 kg; (b) 104 kg; (c) 26 kg