A shopkeeper keeps his stock of bread flour in 30-kg bags. He has 2 such bags to be packed into smaller packets weighing 3 kg and 6 kg. He wants to have the same number of 3-kg packets and 6-kg packets.
- How many packets of bread flour does he pack altogether?
- How much bread flour is left over?
(a)
Total mass of bread flour
= 2 x 30
= 60 kg
Mass of one set of 1 6-kg packet and 1 3-kg packet
= 6 + 3
= 9 kg
Number of sets
= 60 ÷ 9
= 6 r 6
Number of packets of bread flour
= 2 x 6
= 12
(b)
Mass of bread flour left over = 6 kg
Answer(s): (a) 12; (b) 6 kg