A shopkeeper keeps his stock of curry powder in 30-kg bags. He has 5 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 curry powder does he pack altogether?
- How much curry powder is left over?
(a)
Total mass of curry powder
= 5 x 30
= 150 kg
Mass of one set of 1 3-kg packet and 1 4-kg packet
= 3 + 4
= 7 kg
Number of sets
= 150 ÷ 7
= 21 r 3
Number of packets of curry powder
= 2 x 21
= 42
(b)
Mass of curry powder left over = 3 kg
Answer(s): (a) 42; (b) 3 kg