A shopkeeper keeps his stock of chicken powder in 20-kg bags. He has 3 such bags to be packed into smaller packets weighing 4 kg and 5 kg. He wants to have the same number of 4-kg packets and 5-kg packets.
- How many packets of chicken powder does he pack altogether?
- How much chicken powder is left over?
(a)
Total mass of chicken powder
= 3 x 20
= 60 kg
Mass of one set of 1 5-kg packet and 1 4-kg packet
= 5 + 4
= 9 kg
Number of sets
= 60 ÷ 9
= 6 r 6
Number of packets of chicken powder
= 2 x 6
= 12
(b)
Mass of chicken powder left over = 6 kg
Answer(s): (a) 12; (b) 6 kg