A shopkeeper keeps his stock of pepper in 25-kg bags. He has 5 such bags to be packed into smaller packets weighing 5 kg and 2 kg. He wants to have the same number of 5-kg packets and 2-kg packets.
- How many packets of pepper does he pack altogether?
- How much pepper is left over?
(a)
Total mass of pepper
= 5 x 25
= 125 kg
Mass of one set of 1 2-kg packet and 1 5-kg packet
= 2 + 5
= 7 kg
Number of sets
= 125 ÷ 7
= 17 r 6
Number of packets of pepper
= 2 x 17
= 34
(b)
Mass of pepper left over = 6 kg
Answer(s): (a) 34; (b) 6 kg