A shopkeeper keeps his stock of chicken powder in 30-kg bags. He has 3 such bags to be packed into smaller packets weighing 4 kg and 3 kg. He wants to have the same number of 4-kg packets and 3-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 30
= 90 kg
Mass of one set of 1 3-kg packet and 1 4-kg packet
= 3 + 4
= 7 kg
Number of sets
= 90 ÷ 7
= 12 r 6
Number of packets of chicken powder
= 2 x 12
= 24
(b)
Mass of chicken powder left over = 6 kg
Answer(s): (a) 24; (b) 6 kg