A shopkeeper keeps his stock of curry powder in 20-kg bags. He has 4 such bags to be packed into smaller packets weighing 6 kg and 1 kg. He wants to have the same number of 6-kg packets and 1-kg packets.
- How many packets of curry powder does he pack altogether?
- How much curry powder is left over?
(a)
Total mass of curry powder
= 4 x 20
= 80 kg
Mass of one set of 1 1-kg packet and 1 6-kg packet
= 1 + 6
= 7 kg
Number of sets
= 80 ÷ 7
= 11 r 3
Number of packets of curry powder
= 2 x 11
= 22
(b)
Mass of curry powder left over = 3 kg
Answer(s): (a) 22; (b) 3 kg