A shopkeeper keeps his stock of curry powder in 45-kg bags. He has 4 such bags to be packed into smaller packets weighing 2 kg and 5 kg. He wants to have the same number of 2-kg packets and 5-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 45
= 180 kg
Mass of one set of 1 5-kg packet and 1 2-kg packet
= 5 + 2
= 7 kg
Number of sets
= 180 ÷ 7
= 25 r 5
Number of packets of curry powder
= 2 x 25
= 50
(b)
Mass of curry powder left over = 5 kg
Answer(s): (a) 50; (b) 5 kg