A shopkeeper keeps his stock of chilli powder in 30-kg bags. He has 4 such bags to be packed into smaller packets weighing 2 kg and 7 kg. He wants to have the same number of 2-kg packets and 7-kg packets.
- How many packets of chilli powder does he pack altogether?
- How much chilli powder is left over?
(a)
Total mass of chilli powder
= 4 x 30
= 120 kg
Mass of one set of 1 7-kg packet and 1 2-kg packet
= 7 + 2
= 9 kg
Number of sets
= 120 ÷ 9
= 13 r 3
Number of packets of chilli powder
= 2 x 13
= 26
(b)
Mass of chilli powder left over = 3 kg
Answer(s): (a) 26; (b) 3 kg