A shopkeeper keeps his stock of pepper in 30-kg bags. He has 2 such bags to be packed into smaller packets weighing 5 kg and 3 kg. He wants to have the same number of 5-kg packets and 3-kg packets.
- How many packets of pepper does he pack altogether?
- How much pepper is left over?
(a)
Total mass of pepper
= 2 x 30
= 60 kg
Mass of one set of 1 3-kg packet and 1 5-kg packet
= 3 + 5
= 8 kg
Number of sets
= 60 ÷ 8
= 7 r 4
Number of packets of pepper
= 2 x 7
= 14
(b)
Mass of pepper left over = 4 kg
Answer(s): (a) 14; (b) 4 kg